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rt.cast_
Implementation of array assignment support routines.
License:
Authors:
Walter Bright, Sean Kelly
Source rt/cast_.d
- pure nothrow @nogc Object
_d_toObject
(return scope void*p
); - Given a pointer: If it is an Object, return that Object. If it is an interface, return the Object implementing the interface. If it is null, return null. Else, undefined crash
- pure nothrow @nogc void*
_d_interface_cast
(void*p
, ClassInfoc
); - Attempts to cast interface Object o to class c. Returns o if successful, null if not.
- pure nothrow @nogc void*
_d_dynamic_cast
(Objecto
, ClassInfoc
); - Dynamic cast from a class object
o
to class or interfacec
, wherec
is a subtype ofo
.Parameters:Object o
instance of class ClassInfo c
a subclass of o Returns:null if o is null or c is not a subclass of o. Otherwise, return o. - pure nothrow @nogc void*
_d_class_cast
(Objecto
, ClassInfoc
); - Dynamic cast from a class object o to class c, where c is a subclass of o.Parameters:
Object o
instance of class ClassInfo c
a subclass of o Returns:null if o is null or c is not a subclass of o. Otherwise, return o. - pure nothrow @nogc void*
_d_paint_cast
(Objecto
, ClassInfoc
); - Dynamic cast
o
to final classc
only one level downParameters:Object o
object that is instance of a class ClassInfo c
class to cast it to Returns:o if it succeeds, null if it fails
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