Merge pull request #1122 from AndrejMitrovic/Fixup1115

Fixup Pull1555 - Zero-arg text() should return null string.
dlang · Feb 7, 2013 · 4d59ddc · 4d59ddc
2 parents ad44a7d + ec1dcf5
commit 4d59ddc
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/std/conv.d b/std/conv.d
@@ -3133,6 +3133,11 @@ dstring dtext(T...)(T args)
     return textImpl!dstring(args);
 }
 
+private S textImpl(S, U...)(U args) if (U.length == 0)
+{
+    return null;
+}
+
 private S textImpl(S, U...)(U args) if (U.length > 0)
 {
     auto result = to!S(args[0]);
@@ -3146,6 +3151,9 @@ unittest
     assert(text(42, ' ', 1.5, ": xyz") == "42 1.5: xyz");
     assert(wtext(42, ' ', 1.5, ": xyz") == "42 1.5: xyz"w);
     assert(dtext(42, ' ', 1.5, ": xyz") == "42 1.5: xyz"d);
+    assert(text() is null);
+    assert(wtext() is null);
+    assert(dtext() is null);
 }
 
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