Constructors

Synopses

Declared in <bslstl_function.h>

Create an empty function that does not target any callable.

function() noexcept;

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Create a function with a copy of the target held by original.

function(function const& original);

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Create an empty function that does not target any callable.

function(nullptr_t unused) noexcept;

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Create a function by moving the target from the specified original.

function(BloombergLP::bslmf::MovableRef<function> original) noexcept;

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Create a function wrapping the specified func callable object.

template<class FUNC>
function(FUNC&& func)
requires ! IsReferenceCompatible<typename Decay<FUNC>::type,
                                            function>::value
                 &&   IsInvocableWithPrototype<
                                             typename Decay<FUNC>::type>::value;

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Create an empty function using the specified allocator.

function(
    std::allocator_arg_t allocatorArg,
    allocator_type const& allocator) noexcept;

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Create an empty function object using the specified allocator.

function(
    std::allocator_arg_t allocatorArg,
    allocator_type const& allocator,
    nullptr_t unused) noexcept;

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Create a function by moving from original using allocator.

function(
    std::allocator_arg_t allocatorArg,
    allocator_type const& allocator,
    BloombergLP::bslmf::MovableRef<function> original);

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Create a function copying original using the specified allocator.

function(
    std::allocator_arg_t allocatorArg,
    allocator_type const& allocator,
    function const& original);

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Create a function wrapping func using the specified allocator.

template<class FUNC>
function(
    std::allocator_arg_t allocatorArg,
    allocator_type const& allocator,
    FUNC&& func)
requires ! IsReferenceCompatible<typename Decay<FUNC>::type,
                                            function>::value
                 &&   IsInvocableWithPrototype<
                                             typename Decay<FUNC>::type>::value;

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Parameters

Name

Description

original

function whose target is copied

unused

null pointer literal selecting the empty state

func

callable object to wrap as the target

allocatorArg

allocator‐argument tag (unused)

allocator

allocator used to supply memory

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