NYT::TOneOrMany< T, TDerived > Struct Template Reference

Convenience class that keeps sequence of items. More...

#include <common.h>

Public Member Functions
	TOneOrMany ()=default
	Initialize with empty sequence.
template<class U>
	TOneOrMany (std::initializer_list< U > il)
template<class U, class... TArgs> requires std::is_convertible_v<U, T>
	TOneOrMany (U &&arg, TArgs &&... args)
	Put arguments to sequence.
	TOneOrMany (TVector< T > args)
	Initialize from vector.
bool	operator== (const TOneOrMany &rhs) const
	Order is defined the same way as in TVector.
template<class U, class... TArgs> requires std::is_convertible_v<U, T>
TSelf &	Add (U &&part, TArgs &&... args) &
	Add all arguments to sequence.
template<class U, class... TArgs> requires std::is_convertible_v<U, T>
TSelf	Add (U &&part, TArgs &&... args) &&

Public Attributes
TVector< T >	Parts_
	Content of sequence.

Detailed Description

template<class T, class TDerived>
struct NYT::TOneOrMany< T, TDerived >

Convenience class that keeps sequence of items.

Designed to be used as function parameter.

Users of such function can then pass:

• single item,
• initializer list of items,
• vector of items; as argument to this function.

Example:

void Foo(const TOneOrMany<int>& arg);
...
Foo(1); // ok
Foo({1, 2, 3}); // ok

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

• yt/cpp/mapreduce/interface/common.h