safe_add_callback()

bool MayaFlux::Nodes::safe_add_callback	(	std::vector< NodeHook > &	callbacks,
		const NodeHook &	callback
	)

Safely adds a callback to a collection if it doesn't already exist.

Parameters

callbacks	The collection of callbacks to add to
callback	The callback function to add

Returns

True if the callback was added, false if it already existed

This function first checks if the callback already exists in the collection, and only adds it if it's not already present. This prevents duplicate registrations of the same callback function.

Definition at line 33 of file NodeUtils.cpp.

{
    if (!callback_exists(callbacks, callback)) {
        callbacks.push_back(callback);
        return true;
    }
    return false;
}

References callback_exists().

Referenced by MayaFlux::Nodes::Generator::Impulse::on_impulse(), MayaFlux::Nodes::Generator::Phasor::on_phase_wrap(), and MayaFlux::Nodes::Node::on_tick().

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