def at
import bolt@1.27.0.0/src/syntax/word.bend as Wordimport Base
109# the name under a (line, col) of a source, "" when none
110def at(source: String, +line: U32, col: U32) -> String:
111 at.read(at.skip(source, line, U32.is_eq(line, 0)), False{}, W{0, 0, [], None{}}, col)