cli::pack::SetOnce Struct Reference

Stores the input value and rejects subsequent occurrences. More...

#include <action.hh>

Public Types
template<class Prev>
using	after_type = void
template<class Prev>
using	storage_type = detail::decay_t<Prev>

Public Member Functions
template<class T>
auto	operator() (ActionCtx< detail::decay_t< T > > ctx, ActionResult< T > input) const -> ActionResult< void >

Static Public Attributes
template<class Prev>
static constexpr bool	accepts_input

Detailed Description

Stores the input value and rejects subsequent occurrences.

Storage type: T. Returns ErrorCode::duplicate_argument if the option appears more than once. This is the default terminal action for Option<T, ...>.

Definition at line 1600 of file action.hh.

Member Typedef Documentation

after_type

template<class Prev>

using cli::pack::SetOnce::after_type = void

Definition at line 1606 of file action.hh.

storage_type

template<class Prev>

using cli::pack::SetOnce::storage_type = detail::decay_t<Prev>

Definition at line 1609 of file action.hh.

Member Function Documentation

operator()()

template<class T>

auto cli::pack::SetOnce::operator() ( ActionCtx< detail::decay_t< T > > ctx, ActionResult< T > input ) const -> ActionResult< void >

inline

Definition at line 1612 of file action.hh.

Member Data Documentation

accepts_input

template<class Prev>

bool cli::pack::SetOnce::accepts_input

staticconstexpr

Initial value:

                                =
!std::same_as<detail::decay_t<Prev>, void>

Definition at line 1602 of file action.hh.

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

• include/cli/action.hh