Improve Plan::EdgeFinished signature

Use an enumeration instead of a boolean to clarify the purpose of
arguments at call sites.

Suggested-by: Nico Weber <nicolasweber@gmx.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/src/build.h b/src/build.h
index 3a7183f..51589ef 100644
--- a/src/build.h
+++ b/src/build.h
@@ -56,8 +56,13 @@ struct Plan {
   /// Dumps the current state of the plan.
   void Dump();
 
+  enum EdgeResult {
+    kEdgeFailed,
+    kEdgeSucceeded
+  };
+
   /// Mark an edge as done building (whether it succeeded or failed).
-  void EdgeFinished(Edge* edge, bool success);
+  void EdgeFinished(Edge* edge, EdgeResult result);
 
   /// Clean the given node during the build.
   /// Return false on error.