Halide::Internal::ScopedValue< T > Struct Template Reference

Helper class for saving/restoring variable values on the stack, to allow for early-exit that preserves correctness. More...

#include <Util.h>

Public Member Functions
	ScopedValue (T &var)
	Preserve the old value, restored at dtor time.
	ScopedValue (T &var, T new_value)
	Preserve the old value, then set the var to a new value.
	~ScopedValue ()
	operator T () const
	ScopedValue (const ScopedValue &that)=delete
	ScopedValue (ScopedValue &&that) noexcept=default

Public Attributes
T &	var
T	old_value

Detailed Description

template<typename T>
struct Halide::Internal::ScopedValue< T >

Helper class for saving/restoring variable values on the stack, to allow for early-exit that preserves correctness.

Definition at line 383 of file Util.h.

Constructor & Destructor Documentation

ScopedValue() [1/4]

template<typename T >

Halide::Internal::ScopedValue< T >::ScopedValue ( T & var )

inline

Preserve the old value, restored at dtor time.

Definition at line 387 of file Util.h.

ScopedValue() [2/4]

template<typename T >

Halide::Internal::ScopedValue< T >::ScopedValue ( T & var, T new_value )

inline

Preserve the old value, then set the var to a new value.

Definition at line 391 of file Util.h.

References Halide::Internal::ScopedValue< T >::var.

~ScopedValue()

template<typename T >

Halide::Internal::ScopedValue< T >::~ScopedValue ( )

inline

Definition at line 395 of file Util.h.

References Halide::Internal::ScopedValue< T >::old_value, and Halide::Internal::ScopedValue< T >::var.

ScopedValue() [3/4]

template<typename T >

Halide::Internal::ScopedValue< T >::ScopedValue ( const ScopedValue< T > & that )

delete

ScopedValue() [4/4]

template<typename T >

Halide::Internal::ScopedValue< T >::ScopedValue ( ScopedValue< T > && that )

defaultnoexcept

Member Function Documentation

operator T()

template<typename T >

Halide::Internal::ScopedValue< T >::operator T ( ) const

inline

Definition at line 398 of file Util.h.

References Halide::Internal::ScopedValue< T >::old_value.

Member Data Documentation

var

template<typename T >

T& Halide::Internal::ScopedValue< T >::var

Definition at line 384 of file Util.h.

Referenced by Halide::Internal::ScopedValue< T >::ScopedValue(), and Halide::Internal::ScopedValue< T >::~ScopedValue().

old_value

template<typename T >

T Halide::Internal::ScopedValue< T >::old_value

Definition at line 385 of file Util.h.

Referenced by Halide::Internal::ScopedValue< T >::operator T(), and Halide::Internal::ScopedValue< T >::~ScopedValue().

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

• src/Util.h