diff options
Diffstat (limited to 'src/__OLD_parcom/peek.cr')
| -rw-r--r-- | src/__OLD_parcom/peek.cr | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/__OLD_parcom/peek.cr b/src/__OLD_parcom/peek.cr deleted file mode 100644 index 2b6f657..0000000 --- a/src/__OLD_parcom/peek.cr +++ /dev/null @@ -1,23 +0,0 @@ -require "./parser.cr" - -module Parcom - # `Peek` is a `Parser` that runs another `Parser` while - # leaving the input stream unmodified. - class Peek(T, V) < Parser(T, V) - # Accepts the parser to run. - def initialize(@p : Parser(T, V)) - end - - # Runs the parser it was initialized with, and returns - # that parser's result along with the original input. - # - # Re-raises a `ParserFail` exception if the other parser fails. - def parse(tokens : Tokens(T)) : Result(T, V) - result = @p.parse(tokens) - Result.new(tokens, result.value) - rescue ex : ParserFail - raise ParserFail.new("Peek: #{ex.message}") - end - end -end - |
