10% faster compile for std.algorithm

by fixing incredibly slow Tuple code.
dlang · Dec 11, 2012 · 5ef89e6 · 5ef89e6
1 parent 24b7d42
commit 5ef89e6
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/std/typecons.d b/std/typecons.d
@@ -323,12 +323,11 @@ private:
         string decl = "";
         foreach (i, name; staticMap!(extractName, fieldSpecs))
         {
-            enum    field = Format!("Identity!(field[%s])",i);
-            enum numbered = Format!("_%s", i);
-            decl ~= Format!("alias %s %s;", field, numbered);
+            enum numbered = toStringNow!(i);
+            decl ~= "alias Identity!(field[" ~ numbered ~ "]) _" ~ numbered ~ ";";
             if (name.length != 0)
             {
-                decl ~= Format!("alias %s %s;", numbered, name);
+                decl ~= "alias _" ~ numbered ~ " " ~ name ~ ";";
             }
         }
         return decl;