Tokens.sig: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/rules/tokens.bend as Tokens
Lines 9-16 of bolt@1.27.0.0/src/rules/tokens.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/rules/tokens.bend&start_line=9&end_line=16

import Base
import bolt@1.27.0.0/src/syntax/lex.bend as Lex

# the tokens without space, newlines and comments
def sig(toks: List<&2, Lex.Tok>) -> List<&2, Lex.Tok>:
  match toks:
    case Nil{}:
      Nil{}
    case Con{Lex.Tok{+k, t, l, c}, rest}:
      +more = sig(rest)
      Bool.pick(List<&2, Lex.Tok>, Lex.significant(k), Lex.Tok{k, t, l, c} <> more, more)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/lex.bend&name=Tok
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/lex.bend&name=significant