def escaped

yaml-for-bend@0.1.1.0 · parse.bend:686

import Base

686# A scalar's text as the YAML test suite writes it: backslashes, breaks
687# and tabs escaped.
688def escaped(s: String) -> String:
689  match s:
690    case SNil{}:
691      ""
692    case SCon{c, t}:
693      match c:
694        case '\\':
695          "\\\\" ++ escaped(t)
696        case '\n':
697          "\\n" ++ escaped(t)
698        case '\t':
699          "\\t" ++ escaped(t)
700        case '\r':
701          "\\r" ++ escaped(t)
702        case _:
703          escaped.other(c, escaped(t))