AST: Make ProtocolDecl::requiresClass() const

slavapestov · slavapestov · commit cbf08e435924 · 2016-04-25T15:03:16.000-07:00
diff --git a/include/swift/AST/Decl.h b/include/swift/AST/Decl.h
@@ -3434,11 +3434,11 @@ class ProtocolDecl : public NominalTypeDecl {
   }
 
   /// True if this protocol can only be conformed to by class types.
-  bool requiresClass() {
+  bool requiresClass() const {
     if (ProtocolDeclBits.RequiresClassValid)
       return ProtocolDeclBits.RequiresClass;
 
-    return requiresClassSlow();
+    return const_cast<ProtocolDecl *>(this)->requiresClassSlow();
   }
 
   /// Specify that this protocol is class-bounded, e.g., because it was

Original file line number	Diff line number	Diff line change
`@@ -3434,11 +3434,11 @@ class ProtocolDecl : public NominalTypeDecl {`
`3434`	`3434`	`}`
`3435`	`3435`
`3436`	`3436`	`/// True if this protocol can only be conformed to by class types.`
`3437`		`- bool requiresClass() {`
	`3437`	`+ bool requiresClass() const {`
`3438`	`3438`	`if (ProtocolDeclBits.RequiresClassValid)`
`3439`	`3439`	`return ProtocolDeclBits.RequiresClass;`
`3440`	`3440`
`3441`		`- return requiresClassSlow();`
	`3441`	`+ return const_cast<ProtocolDecl *>(this)->requiresClassSlow();`
`3442`	`3442`	`}`
`3443`	`3443`
`3444`	`3444`	`/// Specify that this protocol is class-bounded, e.g., because it was`