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-rw-r--r--src/__OLD_parcom/recover.cr27
1 files changed, 0 insertions, 27 deletions
diff --git a/src/__OLD_parcom/recover.cr b/src/__OLD_parcom/recover.cr
deleted file mode 100644
index 378f8d6..0000000
--- a/src/__OLD_parcom/recover.cr
+++ /dev/null
@@ -1,27 +0,0 @@
-require "./parser.cr"
-require "./optional.cr"
-require "./map.cr"
-
-module Parcom
- # `Recover` is a `Parser` that tries to parse with another parser,
- # but does not fail the parser chain if the wrapped parser fails.
- # If the wrapped parser fails, a `Recover` will not modify the input
- # stream, and return an arbitrary value of type `V` instead.
- class Recover(T, V) < Parser(T, V)
- @p : Map(T, V?, V)
-
- # Accepts the parser to use, and the default value
- # to return if the parser fails.
- def initialize(p : Parser(T, V), default : V)
- @p = Optional.new(p).map { |x| x.nil? ? default : x }
- end
-
- # Tries to parse with the given parser, succeeds with the
- # default value instead of failing. This parser does not
- # consume input if the wrapped parser fails.
- def parse(tokens : Tokens(T)) : Result(T, V)
- @p.parse(tokens)
- end
- end
-end
-