Tree.close_tok: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/syntax/tree.bend as Tree
Lines 232-236 of bolt@1.27.0.0/src/syntax/tree.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&start_line=232&end_line=236

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

# a close bracket: to its match if it has one, else a stray leaf
def close_tok(+stack: List<&2, Frame>, +close: Lex.Tok) -> List<&2, Frame>:
  Lex.Tok{k, +t, l, c} = close
  +n = depth_to(stack, t)
  Lazy.stop(List<&2, Frame>, Nat.is_eq(n, 0n), put(stack, Leaf{close}), _u => close_n(n, stack, Some{close}))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/lazy/lazy.bend&name=stop
  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/tree.bend&name=Frame
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=close_n
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=depth_to
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=put