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-rw-r--r--src/__OLD_parcom/alt.cr28
1 files changed, 0 insertions, 28 deletions
diff --git a/src/__OLD_parcom/alt.cr b/src/__OLD_parcom/alt.cr
deleted file mode 100644
index dedd41d..0000000
--- a/src/__OLD_parcom/alt.cr
+++ /dev/null
@@ -1,28 +0,0 @@
-require "./parser.cr"
-
-module Parcom
- # `Alt` is a `Parser` that accepts two other parsers and tries
- # to parse with one of them.
- # If the first (left) parser succeeds, its result is returned.
- # If the first parser fails, it will try the second (right) parser.
- class Alt(T, V) < Parser(T, V)
- # Accepts the two parsers to try to parse with.
- def initialize(@p1 : Parser(T, V), @p2 : Parser(T, V))
- end
-
- # Tries to parse using both parsers.
- #
- # It will initially try to parse with the first parser.
- # If it fails, it will try to parse with the second parser.
- def parse(tokens : Tokens(T)) : Result(T, V)
- @p1.parse(tokens)
- rescue ex1 : ParserFail
- begin
- @p2.parse(tokens)
- rescue ex2 : ParserFail
- raise ParserFail.new("Alt (#{ex1.message}), (#{ex2.message})")
- end
- end
- end
-end
-