diff options
Diffstat (limited to 'src/parcom.cr')
| -rw-r--r-- | src/parcom.cr | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/parcom.cr b/src/parcom.cr index 4d49a97..f102728 100644 --- a/src/parcom.cr +++ b/src/parcom.cr @@ -192,7 +192,13 @@ module Parcom end end - class Recover + class Recover(T, V) < Parser(T, V) + def initialize(@p : Parser(T, V), @default : V) + end + + def parse(tokens : TokenStream(T)) : Result(T, V) + @p.parse?(tokens) || Result.new(tokens, @default) + end end class Optional |
