libsigc++
3.6.0
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Like sigc::signal but the additional template parameter T_accumulator defines the accumulator type that should be used. More...
#include <sigc++/signal.h>
Public Member Functions | |
accumulated ()=default | |
accumulated (const accumulated & src) | |
Public Member Functions inherited from sigc::signal_with_accumulator< T_return, T_accumulator, T_arg... > | |
signal_with_accumulator ()=default | |
signal_with_accumulator (const signal_with_accumulator & src) | |
signal_with_accumulator (signal_with_accumulator && src) | |
connection | connect (const slot_type & slot_) |
Add a slot at the end of the list of slots. More... | |
connection | connect (slot_type && slot_) |
Add a slot at the end of the list of slots. More... | |
connection | connect_first (const slot_type & slot_) |
Add a slot at the beginning of the list of slots. More... | |
connection | connect_first (slot_type && slot_) |
Add a slot at the beginning of the list of slots. More... | |
decltype(auto) | emit (type_trait_take_t< T_arg >... a) const |
Triggers the emission of the signal. More... | |
decltype(auto) | make_slot () const |
Creates a functor that calls emit() on this signal. More... | |
decltype(auto) | operator() (type_trait_take_t< T_arg >... a) const |
Triggers the emission of the signal (see emit()). More... | |
signal_with_accumulator & | operator= (const signal_with_accumulator & src) |
signal_with_accumulator & | operator= (signal_with_accumulator && src) |
Public Member Functions inherited from sigc::signal_base | |
signal_base () noexcept | |
signal_base (const signal_base & src) noexcept | |
signal_base (signal_base && src) | |
~signal_base () | |
void | block (bool should_block=true) noexcept |
Sets the blocking state of all slots in the list. More... | |
bool | blocked () const noexcept |
Returns whether all slots in the list are blocked. More... | |
void | clear () |
Empties the list of slots. More... | |
bool | empty () const noexcept |
Returns whether the list of slots is empty. More... | |
signal_base & | operator= (const signal_base & src) |
signal_base & | operator= (signal_base && src) |
size_type | size () const noexcept |
Returns the number of slots in the list. More... | |
void | unblock () noexcept |
Unsets the blocking state of all slots in the list. More... | |
Additional Inherited Members | |
Public Types inherited from sigc::signal_with_accumulator< T_return, T_accumulator, T_arg... > | |
using | slot_type = slot< T_return(T_arg...)> |
Public Types inherited from sigc::signal_base | |
using | size_type = std::size_t |
Protected Types inherited from sigc::signal_base | |
using | iterator_type = internal::signal_impl::iterator_type |
Protected Member Functions inherited from sigc::signal_base | |
iterator_type | connect (const slot_base & slot_) |
Adds a slot at the end of the list of slots. More... | |
iterator_type | connect (slot_base && slot_) |
Adds a slot at the end of the list of slots. More... | |
iterator_type | connect_first (const slot_base & slot_) |
Adds a slot at the beginning of the list of slots. More... | |
iterator_type | connect_first (slot_base && slot_) |
Adds a slot at the beginning of the list of slots. More... | |
std::shared_ptr< internal::signal_impl > | impl () const |
Returns the signal_impl object encapsulating the list of slots. More... | |
iterator_type | insert (iterator_type i, const slot_base & slot_) |
Adds a slot at the given position into the list of slots. More... | |
iterator_type | insert (iterator_type i, slot_base && slot_) |
Adds a slot at the given position into the list of slots. More... | |
Protected Attributes inherited from sigc::signal_base | |
std::shared_ptr< internal::signal_impl > | impl_ |
The signal_impl object encapsulating the slot list. More... | |
Like sigc::signal but the additional template parameter T_accumulator defines the accumulator type that should be used.
An accumulator is a functor that uses a pair of special iterators to step through a list of slots and calculate a return value from the results of the slot invocations. The iterators' operator*() executes the slot. The return value is buffered, so that in an expression like
the slot is executed only once.
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