Bind.seek.head: def of bolt@1.27.0.0
Import: import bolt@1.27.0.0/src/syntax/bind.bend as Bind
Lines 1017-1024 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=1017&end_line=1024

import Base

# the binder at the head of a cursor, when it sits at the position
def seek.head(cur: List<&2, Bind>, +line: U32, +col: U32) -> Maybe<&2, Bind>:
  match cur:
    case Nil{}:
      None{}
    case Con{Bind{name, +l, +c, kind, note}, rest}:
      Bool.pick(Maybe<&2, Bind>, Bool.and(U32.is_eq(l, line), U32.is_eq(c, col)), Some{Bind{name, l, c, kind, note}},
        None{})

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  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=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=bolt@1.27.0.0/src/syntax/bind.bend&name=Bind