lexer: rename runes.Reader to lexer.Reader and implement UnreadRune() and PeekRune() #4

Merged

amery merged 3 commits from pr-amery-reader into main 1 year ago

Author	SHA1	Message	Date
Alejandro Mery	6cca2996ca	lexer: Implement Reader.UnreadRune() and Reader.PeekRune() Signed-off-by: Alejandro Mery <amery@jpi.io>	1 year ago
Alejandro Mery	edcba80baa	lexer: fix ReadRune() to actually move the cursor Signed-off-by: Alejandro Mery <amery@jpi.io>	1 year ago
Alejandro Mery	7230a74f49	lexer: runes.Reader renamed to lexer.Reader Signed-off-by: Alejandro Mery <amery@jpi.io>	1 year ago