Add missing RE2::Arg constructor.

Fixes #4.

Change-Id: Id5a118cbfb21e5ad2bfc1996093608ba93b9edd8
Reviewed-on: https://code-review.googlesource.com/2240
Reviewed-by: Russ Cox <rsc@swtch.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/re2/re2.h b/re2/re2.h
index f01c924..85a711f 100644
--- a/re2/re2.h
+++ b/re2/re2.h
@@ -797,12 +797,11 @@ class RE2::Arg {
 
 #undef MAKE_PARSER
 
-  // Generic constructor
-  template <class T> Arg(T*, Parser parser);
-  // Generic constructor template
+  // Generic constructor templates
   template <class T> Arg(T* p)
-    : arg_(p), parser_(_RE2_MatchObject<T>::Parse) {
-  }
+      : arg_(p), parser_(_RE2_MatchObject<T>::Parse) { }
+  template <class T> Arg(T* p, Parser parser)
+      : arg_(p), parser_(parser) { }
 
   // Parse the data
   bool Parse(const char* str, int n) const;