BloombergLP::bslstl::SharedPtrUtil::constCast

Return a shared_ptr obtained by const_cast from source.

Synopsis

Declared in <bslstl_sharedptr.h>

template<
    class TARGET,
    class SOURCE>
static
bsl::shared_ptr<TARGET>
constCast(bsl::shared_ptr<SOURCE> const& source) noexcept;

Description

Return a bsl::shared_ptr<TARGET> object sharing ownership of the same object as the specified source shared pointer to the (template parameter) SOURCE type, and referring to const_cast<TARGET *>(source.get()). Note that a compiler diagnostic will be emitted indicating an error unless const_cast<TARGET *>(source.get()) is a valid expression.

Return Value

shared pointer obtained by const_cast from source

Parameters

Name

Description

source

source shared pointer that supplies ownership

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