Merge pull request #1754 from ibuclaw/deprecation_dg2ptr

Deprecate casting delegates to void*
dlang · Mar 16, 2013 · 0b14495 · 0b14495
2 parents 95ba63e + 0d9492e
commit 0b14495
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diff --git a/src/expression.c b/src/expression.c
@@ -9196,6 +9196,9 @@ Expression *CastExp::semantic(Scope *sc)
 
         if (tob->isintegral() && t1b->ty == Tarray)
             deprecation("casting %s to %s is deprecated", e1->type->toChars(), to->toChars());
+
+        if (tob->ty == Tpointer && t1b->ty == Tdelegate)
+            deprecation("casting from %s to %s is deprecated", e1->type->toChars(), to->toChars());
     }
     else if (!to)
     {   error("cannot cast tuple");

diff --git a/test/fail_compilation/fail9735.d b/test/fail_compilation/fail9735.d
@@ -0,0 +1,12 @@
+/*
+REQUIRED_ARGS: -de
+TEST_OUTPUT:
+---
+fail_compilation/fail9735.d(10): Deprecation: casting from void delegate() to void* is deprecated
+---
+*/
+
+void* dg2ptr(void delegate() dg) {
+    return cast(void*) dg;
+}
+