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version 2.109.0

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Function rt.cast_._d_class_cast

Dynamic cast from a class object o to class c, where c is a subclass of o.

extern(C) void* _d_class_cast (
  Object o,
  TypeInfo_Class c
) pure nothrow @nogc;

Parameters

NameDescription
o instance of class
c a subclass of o

Returns

null if o is null or c is not a subclass of o. Otherwise, return o.

Authors

Walter Bright, Sean Kelly

License

Boost License 1.0.