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| author | Charlie Stanton <charlie@shtanton.xyz> | 2024-12-15 17:54:45 +0000 |
|---|---|---|
| committer | Charlie Stanton <charlie@shtanton.xyz> | 2024-12-15 17:54:45 +0000 |
| commit | 62aa738be03845f96c40edde087ea39693b27e4e (patch) | |
| tree | 81a86faa96db42d9da5e7014f53974468229d3e6 /subex/lex.go | |
| parent | b434fe4e14f6dcc8d1d7433a29351b8e8ea77d37 (diff) | |
| download | stred-go-numbers.tar | |
Implement new number systemnumbers
Diffstat (limited to 'subex/lex.go')
| -rw-r--r-- | subex/lex.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/subex/lex.go b/subex/lex.go index 0f00a99..dfe89b7 100644 --- a/subex/lex.go +++ b/subex/lex.go @@ -22,6 +22,9 @@ func (l *StringRuneReader) Next() rune { func (l *StringRuneReader) Rewind() { l.pos -= l.width } +func (l *StringRuneReader) RewindRune(r rune) { + l.pos -= utf8.RuneLen(r) +} func NewStringRuneReader(input string) RuneReader { return &StringRuneReader { |