seqan3::optional_printer< std::optional< T > > Struct Template Reference

Printer for formatted output of a std::optional. More...

#include <seqan3/core/debug_stream/optional.hpp>

Public Member Functions
template<typename stream_t , typename arg_t >
constexpr void	operator() (stream_t &stream, arg_t &&arg) const
	Print the optional to the stream by printing its value or nothing if valueless.

Detailed Description

template<typename T>
struct seqan3::optional_printer< std::optional< T > >

Printer for formatted output of a std::optional.

Template Parameters

T	The value type of the std::optional.

Member Function Documentation

operator()()

template<typename T >

template<typename stream_t , typename arg_t >

constexpr void seqan3::optional_printer< std::optional< T > >::operator() ( stream_t &  stream, arg_t &&  arg  ) const

inlineconstexpr

Print the optional to the stream by printing its value or nothing if valueless.

Template Parameters

stream_t	The type of the stream.
arg_t	The type of the argument.

Parameters

[in,out]	stream	The stream to print to.
[in]	arg	The optional to print.

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

• optional.hpp