Format.first: def of bend-lint-rules@0.2.0.0
Import: import bend-lint-rules@0.2.0.0/layout/format.bend as Format
Lines 1096-1103 of bend-lint-rules@0.2.0.0/layout/format.bend: https://jend.leeeet.dev/read.txt?path=bend-lint-rules@0.2.0.0/layout/format.bend&start_line=1096&end_line=1103

import Base

# Trees
# -----
def first(n: Tree) -> Token:
  match n:
    case Leaf{t}:
      t
    case Group{open, close, children, block}:
      open

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=bend-lint-rules@0.2.0.0/layout/format.bend&name=Token
  https://jend.leeeet.dev/definition.txt?path=bend-lint-rules@0.2.0.0/layout/format.bend&name=Tree