---
Γ := rules "expr"
  expr := rules "expr_function"
    expr_function := rules "{" "formals" "}" ":" "expr_function"
      { := lexemes "{"
        { "{" (1, 1)
      formals := rules "formal" "," "formals"
        formal := rules "ID"
          ID := lexemes "ID"
            ID "lib" (1, 3)
        , := lexemes ","
          , "," (1, 6)
        formals := rules "formal" "," "formals"
          formal := rules "ID"
            ID := lexemes "ID"
              ID "stdenv" (1, 8)
          , := lexemes ","
            , "," (1, 14)
          formals := rules "formal" "," "formals"
            formal := rules "ID"
              ID := lexemes "ID"
                ID "fetchFromGitHub" (1, 16)
            , := lexemes ","
              , "," (1, 31)
            formals := rules "formal" "," "formals"
              formal := rules "ID"
                ID := lexemes "ID"
                  ID "makeWrapper" (1, 33)
              , := lexemes ","
                , "," (1, 44)
              formals := rules "formal" "," "formals"
                formal := rules "ID"
                  ID := lexemes "ID"
                    ID "imagemagick" (1, 46)
                , := lexemes ","
                  , "," (1, 57)
                formals := rules "formal"
                  formal := rules "ID"
                    ID := lexemes "ID"
                      ID "xorg" (1, 59)
      } := lexemes "}"
        } "}" (1, 64)
      : := lexemes ":"
        : ":" (1, 65)
      expr_function := rules "expr_if"
        expr_if := rules "expr_op"
          expr_op := rules "expr_app"
            expr_app := rules "expr_app" "expr_select"
              expr_app := rules "expr_select"
                expr_select := rules "expr_simple" "." "attrpath"
                  expr_simple := rules "ID"
                    ID := lexemes "ID"
                      ID "stdenv" (3, 1)
                  . := lexemes "."
                    . "." (3, 7)
                  attrpath := rules "attr"
                    attr := rules "ID"
                      ID := lexemes "ID"
                        ID "mkDerivation" (3, 8)
              expr_select := rules "expr_simple"
                expr_simple := rules "REC" "{" "binds" "}"
                  REC := lexemes "REC"
                    REC "rec" (3, 21)
                  { := lexemes "{"
                    { "{" (3, 25)
                  binds := rules "binds" "attrpath" "=" "expr" ";"
                    binds := rules "binds" "attrpath" "=" "expr" ";"
                      binds := rules "binds" "attrpath" "=" "expr" ";"
                        binds := rules "binds" "attrpath" "=" "expr" ";"
                          binds := rules "binds" "attrpath" "=" "expr" ";"
                            binds := rules "binds" "attrpath" "=" "expr" ";"
                              binds := rules "binds" "attrpath" "=" "expr" ";"
                                binds := rules 
                                attrpath := rules "attr"
                                  attr := rules "ID"
                                    ID := lexemes "ID"
                                      ID "pname" (4, 3)
                                = := lexemes "="
                                  = "=" (4, 9)
                                expr := rules "expr_function"
                                  expr_function := rules "expr_if"
                                    expr_if := rules "expr_op"
                                      expr_op := rules "expr_app"
                                        expr_app := rules "expr_select"
                                          expr_select := rules "expr_simple"
                                            expr_simple := rules "\"" "string_parts" "\""
                                              " := lexemes "\""
                                                " "\"" (4, 11)
                                              string_parts := rules "STR"
                                                STR := lexemes "STR"
                                                  STR "ttygif" (4, 12)
                                              " := lexemes "\""
                                                " "\"" (4, 18)
                                ; := lexemes ";"
                                  ; ";" (4, 19)
                              attrpath := rules "attr"
                                attr := rules "ID"
                                  ID := lexemes "ID"
                                    ID "version" (5, 3)
                              = := lexemes "="
                                = "=" (5, 11)
                              expr := rules "expr_function"
                                expr_function := rules "expr_if"
                                  expr_if := rules "expr_op"
                                    expr_op := rules "expr_app"
                                      expr_app := rules "expr_select"
                                        expr_select := rules "expr_simple"
                                          expr_simple := rules "\"" "string_parts" "\""
                                            " := lexemes "\""
                                              " "\"" (5, 13)
                                            string_parts := rules "STR"
                                              STR := lexemes "STR"
                                                STR "1.6.0" (5, 14)
                                            " := lexemes "\""
                                              " "\"" (5, 19)
                              ; := lexemes ";"
                                ; ";" (5, 20)
                            attrpath := rules "attr"
                              attr := rules "ID"
                                ID := lexemes "ID"
                                  ID "src" (7, 3)
                            = := lexemes "="
                              = "=" (7, 7)
                            expr := rules "expr_function"
                              expr_function := rules "expr_if"
                                expr_if := rules "expr_op"
                                  expr_op := rules "expr_app"
                                    expr_app := rules "expr_app" "expr_select"
                                      expr_app := rules "expr_select"
                                        expr_select := rules "expr_simple"
                                          expr_simple := rules "ID"
                                            ID := lexemes "ID"
                                              ID "fetchFromGitHub" (7, 9)
                                      expr_select := rules "expr_simple"
                                        expr_simple := rules "{" "binds" "}"
                                          { := lexemes "{"
                                            { "{" (7, 25)
                                          binds := rules "binds" "attrpath" "=" "expr" ";"
                                            binds := rules "binds" "attrpath" "=" "expr" ";"
                                              binds := rules "binds" "attrpath" "=" "expr" ";"
                                                binds := rules "binds" "attrpath" "=" "expr" ";"
                                                  binds := rules 
                                                  attrpath := rules "attr"
                                                    attr := rules "ID"
                                                      ID := lexemes "ID"
                                                        ID "owner" (8, 5)
                                                  = := lexemes "="
                                                    = "=" (8, 11)
                                                  expr := rules "expr_function"
                                                    expr_function := rules "expr_if"
                                                      expr_if := rules "expr_op"
                                                        expr_op := rules "expr_app"
                                                          expr_app := rules "expr_select"
                                                            expr_select := rules "expr_simple"
                                                              expr_simple := rules "\"" "string_parts" "\""
                                                                " := lexemes "\""
                                                                  " "\"" (8, 13)
                                                                string_parts := rules "STR"
                                                                  STR := lexemes "STR"
                                                                    STR "icholy" (8, 14)
                                                                " := lexemes "\""
                                                                  " "\"" (8, 20)
                                                  ; := lexemes ";"
                                                    ; ";" (8, 21)
                                                attrpath := rules "attr"
                                                  attr := rules "ID"
                                                    ID := lexemes "ID"
                                                      ID "repo" (9, 5)
                                                = := lexemes "="
                                                  = "=" (9, 10)
                                                expr := rules "expr_function"
                                                  expr_function := rules "expr_if"
                                                    expr_if := rules "expr_op"
                                                      expr_op := rules "expr_app"
                                                        expr_app := rules "expr_select"
                                                          expr_select := rules "expr_simple"
                                                            expr_simple := rules "ID"
                                                              ID := lexemes "ID"
                                                                ID "pname" (9, 12)
                                                ; := lexemes ";"
                                                  ; ";" (9, 17)
                                              attrpath := rules "attr"
                                                attr := rules "ID"
                                                  ID := lexemes "ID"
                                                    ID "rev" (10, 5)
                                              = := lexemes "="
                                                = "=" (10, 9)
                                              expr := rules "expr_function"
                                                expr_function := rules "expr_if"
                                                  expr_if := rules "expr_op"
                                                    expr_op := rules "expr_app"
                                                      expr_app := rules "expr_select"
                                                        expr_select := rules "expr_simple"
                                                          expr_simple := rules "ID"
                                                            ID := lexemes "ID"
                                                              ID "version" (10, 11)
                                              ; := lexemes ";"
                                                ; ";" (10, 18)
                                            attrpath := rules "attr"
                                              attr := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "sha256" (11, 5)
                                            = := lexemes "="
                                              = "=" (11, 12)
                                            expr := rules "expr_function"
                                              expr_function := rules "expr_if"
                                                expr_if := rules "expr_op"
                                                  expr_op := rules "expr_app"
                                                    expr_app := rules "expr_select"
                                                      expr_select := rules "expr_simple"
                                                        expr_simple := rules "\"" "string_parts" "\""
                                                          " := lexemes "\""
                                                            " "\"" (11, 14)
                                                          string_parts := rules "STR"
                                                            STR := lexemes "STR"
                                                              STR "sha256-GsMeVR2wNivQguZ6B/0v39Td9VGHg+m3RtAG9DYkNmU=" (11, 15)
                                                          " := lexemes "\""
                                                            " "\"" (11, 66)
                                            ; := lexemes ";"
                                              ; ";" (11, 67)
                                          } := lexemes "}"
                                            } "}" (12, 3)
                            ; := lexemes ";"
                              ; ";" (12, 4)
                          attrpath := rules "attr"
                            attr := rules "ID"
                              ID := lexemes "ID"
                                ID "makeFlags" (14, 3)
                          = := lexemes "="
                            = "=" (14, 13)
                          expr := rules "expr_function"
                            expr_function := rules "expr_if"
                              expr_if := rules "expr_op"
                                expr_op := rules "expr_app"
                                  expr_app := rules "expr_select"
                                    expr_select := rules "expr_simple"
                                      expr_simple := rules "[" "expr_list" "]"
                                        [ := lexemes "["
                                          [ "[" (14, 15)
                                        expr_list := rules "expr_list" "expr_select"
                                          expr_list := rules "expr_list" "expr_select"
                                            expr_list := rules 
                                            expr_select := rules "expr_simple"
                                              expr_simple := rules "\"" "string_parts" "\""
                                                " := lexemes "\""
                                                  " "\"" (14, 17)
                                                string_parts := rules "STR"
                                                  STR := lexemes "STR"
                                                    STR "CC:=$(CC)" (14, 18)
                                                " := lexemes "\""
                                                  " "\"" (14, 27)
                                          expr_select := rules "expr_simple"
                                            expr_simple := rules "\"" "string_parts" "\""
                                              " := lexemes "\""
                                                " "\"" (14, 29)
                                              string_parts := rules "string_parts_interpolated"
                                                string_parts_interpolated := rules "STR" "DOLLAR_CURLY" "expr" "}"
                                                  STR := lexemes "STR"
                                                    STR "PREFIX=" (14, 30)
                                                  DOLLAR_CURLY := lexemes "DOLLAR_CURLY"
                                                    DOLLAR_CURLY "${" (14, 37)
                                                  expr := rules "expr_function"
                                                    expr_function := rules "expr_if"
                                                      expr_if := rules "expr_op"
                                                        expr_op := rules "expr_app"
                                                          expr_app := rules "expr_app" "expr_select"
                                                            expr_app := rules "expr_select"
                                                              expr_select := rules "expr_simple"
                                                                expr_simple := rules "ID"
                                                                  ID := lexemes "ID"
                                                                    ID "placeholder" (14, 39)
                                                            expr_select := rules "expr_simple"
                                                              expr_simple := rules "\"" "string_parts" "\""
                                                                " := lexemes "\""
                                                                  " "\"" (14, 51)
                                                                string_parts := rules "STR"
                                                                  STR := lexemes "STR"
                                                                    STR "out" (14, 52)
                                                                " := lexemes "\""
                                                                  " "\"" (14, 55)
                                                  } := lexemes "}"
                                                    } "}" (14, 56)
                                              " := lexemes "\""
                                                " "\"" (14, 57)
                                        ] := lexemes "]"
                                          ] "]" (14, 59)
                          ; := lexemes ";"
                            ; ";" (14, 60)
                        attrpath := rules "attr"
                          attr := rules "ID"
                            ID := lexemes "ID"
                              ID "nativeBuildInputs" (16, 3)
                        = := lexemes "="
                          = "=" (16, 21)
                        expr := rules "expr_function"
                          expr_function := rules "expr_if"
                            expr_if := rules "expr_op"
                              expr_op := rules "expr_app"
                                expr_app := rules "expr_select"
                                  expr_select := rules "expr_simple"
                                    expr_simple := rules "[" "expr_list" "]"
                                      [ := lexemes "["
                                        [ "[" (16, 23)
                                      expr_list := rules "expr_list" "expr_select"
                                        expr_list := rules 
                                        expr_select := rules "expr_simple"
                                          expr_simple := rules "ID"
                                            ID := lexemes "ID"
                                              ID "makeWrapper" (16, 25)
                                      ] := lexemes "]"
                                        ] "]" (16, 37)
                        ; := lexemes ";"
                          ; ";" (16, 38)
                      attrpath := rules "attr"
                        attr := rules "ID"
                          ID := lexemes "ID"
                            ID "postInstall" (17, 3)
                      = := lexemes "="
                        = "=" (17, 15)
                      expr := rules "expr_function"
                        expr_function := rules "expr_if"
                          expr_if := rules "expr_op"
                            expr_op := rules "expr_app"
                              expr_app := rules "expr_select"
                                expr_select := rules "expr_simple"
                                  expr_simple := rules "IND_STRING_OPEN" "ind_string_parts" "IND_STRING_CLOSE"
                                    IND_STRING_OPEN := lexemes "IND_STRING_OPEN"
                                      IND_STRING_OPEN "''\n" (17, 17)
                                    ind_string_parts := rules "ind_string_parts" "IND_STR"
                                      ind_string_parts := rules "ind_string_parts" "DOLLAR_CURLY" "expr" "}"
                                        ind_string_parts := rules "ind_string_parts" "IND_STR"
                                          ind_string_parts := rules 
                                          IND_STR := lexemes "IND_STR"
                                            IND_STR "    wrapProgram $out/bin/ttygif \\\n      --prefix PATH : " (18, 1)
                                        DOLLAR_CURLY := lexemes "DOLLAR_CURLY"
                                          DOLLAR_CURLY "${" (19, 23)
                                        expr := rules "expr_function"
                                          expr_function := rules "expr_if"
                                            expr_if := rules "expr_op"
                                              expr_op := rules "expr_app"
                                                expr_app := rules "expr_app" "expr_select"
                                                  expr_app := rules "expr_select"
                                                    expr_select := rules "expr_simple" "." "attrpath"
                                                      expr_simple := rules "ID"
                                                        ID := lexemes "ID"
                                                          ID "lib" (19, 25)
                                                      . := lexemes "."
                                                        . "." (19, 28)
                                                      attrpath := rules "attr"
                                                        attr := rules "ID"
                                                          ID := lexemes "ID"
                                                            ID "makeBinPath" (19, 29)
                                                  expr_select := rules "expr_simple"
                                                    expr_simple := rules "[" "expr_list" "]"
                                                      [ := lexemes "["
                                                        [ "[" (19, 41)
                                                      expr_list := rules "expr_list" "expr_select"
                                                        expr_list := rules "expr_list" "expr_select"
                                                          expr_list := rules 
                                                          expr_select := rules "expr_simple"
                                                            expr_simple := rules "ID"
                                                              ID := lexemes "ID"
                                                                ID "imagemagick" (19, 43)
                                                        expr_select := rules "expr_simple" "." "attrpath"
                                                          expr_simple := rules "ID"
                                                            ID := lexemes "ID"
                                                              ID "xorg" (19, 55)
                                                          . := lexemes "."
                                                            . "." (19, 59)
                                                          attrpath := rules "attr"
                                                            attr := rules "ID"
                                                              ID := lexemes "ID"
                                                                ID "xwd" (19, 60)
                                                      ] := lexemes "]"
                                                        ] "]" (19, 64)
                                        } := lexemes "}"
                                          } "}" (19, 65)
                                      IND_STR := lexemes "IND_STR"
                                        IND_STR "\n  " (19, 66)
                                    IND_STRING_CLOSE := lexemes "IND_STRING_CLOSE"
                                      IND_STRING_CLOSE "''" (20, 3)
                      ; := lexemes ";"
                        ; ";" (20, 5)
                    attrpath := rules "attr"
                      attr := rules "ID"
                        ID := lexemes "ID"
                          ID "meta" (22, 3)
                    = := lexemes "="
                      = "=" (22, 8)
                    expr := rules "expr_function"
                      expr_function := rules "WITH" "expr" ";" "expr_function"
                        WITH := lexemes "WITH"
                          WITH "with" (22, 10)
                        expr := rules "expr_function"
                          expr_function := rules "expr_if"
                            expr_if := rules "expr_op"
                              expr_op := rules "expr_app"
                                expr_app := rules "expr_select"
                                  expr_select := rules "expr_simple"
                                    expr_simple := rules "ID"
                                      ID := lexemes "ID"
                                        ID "lib" (22, 15)
                        ; := lexemes ";"
                          ; ";" (22, 18)
                        expr_function := rules "expr_if"
                          expr_if := rules "expr_op"
                            expr_op := rules "expr_app"
                              expr_app := rules "expr_select"
                                expr_select := rules "expr_simple"
                                  expr_simple := rules "{" "binds" "}"
                                    { := lexemes "{"
                                      { "{" (22, 20)
                                    binds := rules "binds" "attrpath" "=" "expr" ";"
                                      binds := rules "binds" "attrpath" "=" "expr" ";"
                                        binds := rules "binds" "attrpath" "=" "expr" ";"
                                          binds := rules "binds" "attrpath" "=" "expr" ";"
                                            binds := rules "binds" "attrpath" "=" "expr" ";"
                                              binds := rules 
                                              attrpath := rules "attr"
                                                attr := rules "ID"
                                                  ID := lexemes "ID"
                                                    ID "homepage" (23, 5)
                                              = := lexemes "="
                                                = "=" (23, 14)
                                              expr := rules "expr_function"
                                                expr_function := rules "expr_if"
                                                  expr_if := rules "expr_op"
                                                    expr_op := rules "expr_app"
                                                      expr_app := rules "expr_select"
                                                        expr_select := rules "expr_simple"
                                                          expr_simple := rules "\"" "string_parts" "\""
                                                            " := lexemes "\""
                                                              " "\"" (23, 16)
                                                            string_parts := rules "STR"
                                                              STR := lexemes "STR"
                                                                STR "https://github.com/icholy/ttygif" (23, 17)
                                                            " := lexemes "\""
                                                              " "\"" (23, 49)
                                              ; := lexemes ";"
                                                ; ";" (23, 50)
                                            attrpath := rules "attr"
                                              attr := rules "ID"
                                                ID := lexemes "ID"
                                                  ID "description" (24, 5)
                                            = := lexemes "="
                                              = "=" (24, 17)
                                            expr := rules "expr_function"
                                              expr_function := rules "expr_if"
                                                expr_if := rules "expr_op"
                                                  expr_op := rules "expr_app"
                                                    expr_app := rules "expr_select"
                                                      expr_select := rules "expr_simple"
                                                        expr_simple := rules "\"" "string_parts" "\""
                                                          " := lexemes "\""
                                                            " "\"" (24, 19)
                                                          string_parts := rules "STR"
                                                            STR := lexemes "STR"
                                                              STR "Convert terminal recordings to animated gifs" (24, 20)
                                                          " := lexemes "\""
                                                            " "\"" (24, 64)
                                            ; := lexemes ";"
                                              ; ";" (24, 65)
                                          attrpath := rules "attr"
                                            attr := rules "ID"
                                              ID := lexemes "ID"
                                                ID "platforms" (25, 5)
                                          = := lexemes "="
                                            = "=" (25, 15)
                                          expr := rules "expr_function"
                                            expr_function := rules "expr_if"
                                              expr_if := rules "expr_op"
                                                expr_op := rules "expr_app"
                                                  expr_app := rules "expr_select"
                                                    expr_select := rules "expr_simple" "." "attrpath"
                                                      expr_simple := rules "ID"
                                                        ID := lexemes "ID"
                                                          ID "platforms" (25, 17)
                                                      . := lexemes "."
                                                        . "." (25, 26)
                                                      attrpath := rules "attr"
                                                        attr := rules "ID"
                                                          ID := lexemes "ID"
                                                            ID "unix" (25, 27)
                                          ; := lexemes ";"
                                            ; ";" (25, 31)
                                        attrpath := rules "attr"
                                          attr := rules "ID"
                                            ID := lexemes "ID"
                                              ID "license" (26, 5)
                                        = := lexemes "="
                                          = "=" (26, 13)
                                        expr := rules "expr_function"
                                          expr_function := rules "expr_if"
                                            expr_if := rules "expr_op"
                                              expr_op := rules "expr_app"
                                                expr_app := rules "expr_select"
                                                  expr_select := rules "expr_simple" "." "attrpath"
                                                    expr_simple := rules "ID"
                                                      ID := lexemes "ID"
                                                        ID "licenses" (26, 15)
                                                    . := lexemes "."
                                                      . "." (26, 23)
                                                    attrpath := rules "attr"
                                                      attr := rules "ID"
                                                        ID := lexemes "ID"
                                                          ID "mit" (26, 24)
                                        ; := lexemes ";"
                                          ; ";" (26, 27)
                                      attrpath := rules "attr"
                                        attr := rules "ID"
                                          ID := lexemes "ID"
                                            ID "maintainers" (27, 5)
                                      = := lexemes "="
                                        = "=" (27, 17)
                                      expr := rules "expr_function"
                                        expr_function := rules "WITH" "expr" ";" "expr_function"
                                          WITH := lexemes "WITH"
                                            WITH "with" (27, 19)
                                          expr := rules "expr_function"
                                            expr_function := rules "expr_if"
                                              expr_if := rules "expr_op"
                                                expr_op := rules "expr_app"
                                                  expr_app := rules "expr_select"
                                                    expr_select := rules "expr_simple"
                                                      expr_simple := rules "ID"
                                                        ID := lexemes "ID"
                                                          ID "maintainers" (27, 24)
                                          ; := lexemes ";"
                                            ; ";" (27, 35)
                                          expr_function := rules "expr_if"
                                            expr_if := rules "expr_op"
                                              expr_op := rules "expr_app"
                                                expr_app := rules "expr_select"
                                                  expr_select := rules "expr_simple"
                                                    expr_simple := rules "[" "expr_list" "]"
                                                      [ := lexemes "["
                                                        [ "[" (27, 37)
                                                      expr_list := rules "expr_list" "expr_select"
                                                        expr_list := rules 
                                                        expr_select := rules "expr_simple"
                                                          expr_simple := rules "ID"
                                                            ID := lexemes "ID"
                                                              ID "moaxcp" (27, 39)
                                                      ] := lexemes "]"
                                                        ] "]" (27, 46)
                                      ; := lexemes ";"
                                        ; ";" (27, 47)
                                    } := lexemes "}"
                                      } "}" (28, 3)
                    ; := lexemes ";"
                      ; ";" (28, 4)
                  } := lexemes "}"
                    } "}" (29, 1)