Eliminate interface bool

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 847 matching lines @@
   // Check if this type represents the 'void' type.
   bool IsVoidType() const {
     return HasResolvedTypeClass() && (type_class() == Object::void_class());
   }
 
   bool IsObjectType() const {
     return HasResolvedTypeClass() &&
         Class::Handle(type_class()).IsObjectClass();
   }
 
-  // Check if this type represents the 'bool' interface.
-  bool IsBoolInterface() const;
+  // Check if this type represents the 'bool' type.
+  bool IsBoolType() const;
 
   // Check if this type represents the 'int' interface.
   bool IsIntInterface() const;
 
   // Check if this type represents the 'double' interface.
   bool IsDoubleInterface() const;
 
   // Check if this type represents the 'num' type.
   bool IsNumberType() const;
 
@@ skipping 96 matching lines @@
 
   // The 'Dynamic' type.
   static RawType* DynamicType();
 
   // The 'void' type.
   static RawType* VoidType();
 
   // The 'Object' type.
   static RawType* ObjectType();
 
-  // The 'bool' interface type.
-  static RawType* BoolInterface();
+  // The 'bool' type.
+  static RawType* BoolType();
 
   // The 'int' interface type.
   static RawType* IntInterface();
 
   // The 'Smi' type.
   static RawType* SmiType();
 
   // The 'Mint' type.
   static RawType* MintType();
 
@@ skipping 2883 matching lines @@
   }
 
   static void Finalize(Dart_Handle handle, void* peer);
 
   HEAP_OBJECT_IMPLEMENTATION(ExternalFourByteString, String);
   friend class Class;
   friend class String;
 };
 
 
+// Class Bool implements Dart core class bool.
 class Bool : public Instance {
  public:
   bool value() const {
     return raw_ptr()->value_;
   }
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawBool));
   }
 
@@ skipping 1635 matching lines @@
     if (this->CharAt(i) != str.CharAt(begin_index + i)) {
       return false;
     }
   }
   return true;
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_