Check.at: def of shake@0.7.0.0
Import: import shake@0.7.0.0/src/check.bend as Check
Lines 153-155 of shake@0.7.0.0/src/check.bend: https://jend.leeeet.dev/read.txt?path=shake@0.7.0.0/src/check.bend&start_line=153&end_line=155

import Base

# where a report is
def at(+path: List<&2, String>) -> String:
  at.pick(List.is_empty(&2, String, path), path)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.is_empty
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/check.bend&name=at.pick