esphome::binary_sensor::StatelessLambdaFilter Class Reference

Optimized lambda filter for stateless lambdas (no capture). More...

#include <filter.h>

Inheritance diagram for esphome::binary_sensor::StatelessLambdaFilter:

Public Member Functions
	StatelessLambdaFilter (optional< bool >(*f)(bool))
optional< bool >	new_value (bool value) override
Public Member Functions inherited from esphome::binary_sensor::Filter
virtual void	input (bool value)
void	output (bool value)

Protected Attributes
optional< bool >(*	f_ )(bool)
Protected Attributes inherited from esphome::binary_sensor::Filter
friend	BinarySensor
Filter *	next_ {nullptr}
BinarySensor *	parent_ {nullptr}
Deduplicator< bool >	dedup_

Detailed Description

Optimized lambda filter for stateless lambdas (no capture).

Uses function pointer instead of std::function to reduce memory overhead. Memory: 4 bytes (function pointer on 32-bit) vs 32 bytes (std::function).

Definition at line 134 of file filter.h.

Constructor & Destructor Documentation

StatelessLambdaFilter()

esphome::binary_sensor::StatelessLambdaFilter::StatelessLambdaFilter ( optional< bool >(* f )(bool) )

inlineexplicit

Definition at line 136 of file filter.h.

Member Function Documentation

new_value()

optional< bool > esphome::binary_sensor::StatelessLambdaFilter::new_value ( bool value )

inlineoverridevirtual

Implements esphome::binary_sensor::Filter.

Definition at line 138 of file filter.h.

Field Documentation

f_

optional< bool >(* esphome::binary_sensor::StatelessLambdaFilter::f_) (bool)

protected

Definition at line 138 of file filter.h.

---

The documentation for this class was generated from the following file:

• esphome/components/binary_sensor/filter.h