Added debug combinator

Prosumma · Oct 3, 2015 · e4cda67 · e4cda67
1 parent 76b6018
commit e4cda67
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Parsimonious/Primitives.swift b/Parsimonious/Primitives.swift
@@ -143,4 +143,9 @@ public func lift<T1, T2>(parser: ParseContext -> ParseResult<T1>, transform: T1
 
 public func end<T>(context: ParseContext) -> ParseResult<T> {
     return context.position == context.string.endIndex ? .Matched([]) : .NotMatched
+}
+
+public func debug<T>(parser: ParseContext -> ParseResult<T>)(_ context: ParseContext) -> ParseResult<T> {
+    print(context.remainder)
+    return parser(context)
 }