audacity::TypedAny< Tag > Class Template Reference

Generates distinct, non-interconvertible types wrapping std::any. More...

#include <TypedAny.h>

Inheritance diagram for audacity::TypedAny< Tag >:

Classes
struct	Good_args
struct	Good_args< Arg >

Public Member Functions
template<typename... Args, typename restriction = std::enable_if_t< Good_args<Args...>::value >>
	TypedAny (Args &&... args)
	Constructor with arguments just as for std::any, but it is explicit. More...
	TypedAny (const TypedAny &)=default
TypedAny &	operator= (const TypedAny &)=default
	TypedAny (TypedAny &&)=default
TypedAny &	operator= (TypedAny &&)=default

Private Attributes
std::any	mAny

Pass-through member functions
Supply an imitation of std::any's interface, except for reference-valued any_cast
template<typename ValueType , typename... Args>
std::decay_t< ValueType > &	emplace (Args &&... args)
void	reset () noexcept
void	swap (TypedAny &other) noexcept
bool	has_value () const noexcept
const std::type_info &	type () const noexcept
template<typename T >
const T *	cast () const noexcept
	Like pointer-valued any_cast but a non-static member function. More...
template<typename T >
T *	cast () noexcept
	Like pointer-valued any_cast but a non-static member function. More...
template<typename T , typename... Args>
static TypedAny	make (Args &&... args)
	Like make_any but a static member function. More...

Detailed Description

template<typename Tag>
class audacity::TypedAny< Tag >

Generates distinct, non-interconvertible types wrapping std::any.

Template Parameters

Tag	discriminates generated classes; a "CRTP" parameter

Definition at line 24 of file TypedAny.h.

Constructor & Destructor Documentation

TypedAny() [1/3]

template<typename Tag >

template<typename... Args, typename restriction = std::enable_if_t< Good_args<Args...>::value >>

audacity::TypedAny< Tag >::TypedAny ( Args &&...  args )

inlineexplicit

Constructor with arguments just as for std::any, but it is explicit.

Definition at line 39 of file TypedAny.h.

      : mAny(std::forward<Args>(args)...)
   {}

References forward.

Referenced by audacity::TypedAny< Tag >::make().

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TypedAny() [2/3]

template<typename Tag >

audacity::TypedAny< Tag >::TypedAny ( const TypedAny< Tag > &  )

default

TypedAny() [3/3]

template<typename Tag >

audacity::TypedAny< Tag >::TypedAny ( TypedAny< Tag > &&  )

default

Member Function Documentation

cast() [1/2]

template<typename Tag >

template<typename T >

const T * audacity::TypedAny< Tag >::cast ( ) const

inlinenoexcept

Like pointer-valued any_cast but a non-static member function.

Definition at line 68 of file TypedAny.h.

{ return std::any_cast<T>(&mAny); }

References audacity::TypedAny< Tag >::mAny.

Referenced by EffectSettings::Copy(), anonymous_namespace{DynamicRangeProcessorEditor.cpp}::GetSettings(), and DynamicRangeProcessorEditor::UpdateUI().

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cast() [2/2]

template<typename Tag >

template<typename T >

T * audacity::TypedAny< Tag >::cast ( )

inlinenoexcept

Like pointer-valued any_cast but a non-static member function.

Definition at line 72 of file TypedAny.h.

{ return std::any_cast<T>(&mAny); }

References audacity::TypedAny< Tag >::mAny.

emplace()

template<typename Tag >

template<typename ValueType , typename... Args>

std::decay_t< ValueType > & audacity::TypedAny< Tag >::emplace ( Args &&...  args )

inline

Definition at line 57 of file TypedAny.h.

   {
      return mAny.emplace<ValueType>(std::forward<Args>(args)...);
   }

References audacity::TypedAny< Tag >::mAny.

has_value()

template<typename Tag >

bool audacity::TypedAny< Tag >::has_value ( ) const

inlinenoexcept

Definition at line 63 of file TypedAny.h.

{ return mAny.has_value(); }

References audacity::TypedAny< Tag >::mAny.

make()

template<typename Tag >

template<typename T , typename... Args>

static TypedAny audacity::TypedAny< Tag >::make ( Args &&...  args )

inlinestatic

Like make_any but a static member function.

Definition at line 76 of file TypedAny.h.

   {
      return TypedAny(std::in_place_type<T>, std::forward<Args>(args)...);
   }

References audacity::TypedAny< Tag >::TypedAny().

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operator=() [1/2]

template<typename Tag >

TypedAny & audacity::TypedAny< Tag >::operator= ( const TypedAny< Tag > &  )

default

operator=() [2/2]

template<typename Tag >

TypedAny & audacity::TypedAny< Tag >::operator= ( TypedAny< Tag > &&  )

default

reset()

template<typename Tag >

void audacity::TypedAny< Tag >::reset ( )

inlinenoexcept

Definition at line 61 of file TypedAny.h.

{ mAny.reset(); }

References audacity::TypedAny< Tag >::mAny.

swap()

template<typename Tag >

void audacity::TypedAny< Tag >::swap ( TypedAny< Tag > &  other )

inlinenoexcept

Definition at line 62 of file TypedAny.h.

{ mAny.swap(other.mAny); }

References audacity::TypedAny< Tag >::mAny.

Referenced by audacity::swap().

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type()

template<typename Tag >

const std::type_info & audacity::TypedAny< Tag >::type ( ) const

inlinenoexcept

Definition at line 64 of file TypedAny.h.

{ return mAny.type(); }

References audacity::TypedAny< Tag >::mAny.

Member Data Documentation

mAny

template<typename Tag >

std::any audacity::TypedAny< Tag >::mAny

private

Definition at line 84 of file TypedAny.h.

Referenced by audacity::TypedAny< Tag >::cast(), audacity::TypedAny< Tag >::emplace(), audacity::TypedAny< Tag >::has_value(), audacity::TypedAny< Tag >::reset(), audacity::TypedAny< Tag >::swap(), and audacity::TypedAny< Tag >::type().

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

• TypedAny.h