Bind.plan.group: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/syntax/bind.bend as Bind
Lines 379-385 of bolt@1.27.0.0/src/syntax/bind.bend: https://jend.leeeet.dev/read.txt?path=bolt@1.27.0.0/src/syntax/bind.bend&start_line=379&end_line=385

import Base
import bolt@1.27.0.0/src/syntax/tree.bend as Tree

# does the chain start with a group?
def plan.group(rest: Tree.Node) -> Bool:
  match rest:
    case Tree.NCons{Tree.Group{_o, _g, _cl}, _r}:
      True{}
    case _other:
      False{}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/tree.bend&name=Node