Module unescape

Utilities for validating string and char literals and turning them into values they represent.

Enums

EscapeError

Errors and warnings that can occur during string unescaping. They mostly relate to malformed escape sequences, but there are a few that are about other problems.

MixedUnit

Used for mixed utf8 string literals, i.e. those that allow both unicode chars and high bytes.

Mode

What kind of literal do we parse.

Functions

byte_from_char

unescape_byte

Takes a contents of a byte literal (without quotes), and returns an unescaped byte or an error.

unescape_char

Takes a contents of a char literal (without quotes), and returns an unescaped char or an error.

unescape_mixed

Takes the contents of a mixed-utf8 literal (without quotes) and produces a sequence of escaped characters or errors.

unescape_unicode

Takes the contents of a unicode-only (non-mixed-utf8) literal (without quotes) and produces a sequence of escaped characters or errors.