functor Namespace Reference

This namespace defines a few useful functors. More...

Classes
class	Cast
	Cast functor: returns its argument of type ARG casted to type RES. More...
class	ChangeEndianness
	Endianness change functor: will change from big to little or little to big endian format on integer types. More...
class	Compose
	Composition functor: applies 2 functors one after each other. More...
class	Constant
	Constant functor: always returns a constant value. More...
struct	Functor
	Utility to instantiate and execute a functor from its type. More...
class	Identity
	Identity functor: always returns its argument, unchanged. More...

Detailed Description

This namespace defines a few useful functors.

All functors defined here are classes with operator(). Each functor also has the following available types defined:

• ARG_TYPE the type of its argument
• RES_TYPE the type of its result

These functors are heavily used in I2C devices, applied to Futures classes.