icu::message2::data_model::SelectorKeys::Builder Class Reference

The mutable `SelectorKeys::Builder` class allows the key list to be constructed one key at a time. More...

`#include <messageformat2_data_model.h>`

Inheritance diagram for icu::message2::data_model::SelectorKeys::Builder:

## Public Member Functions

Builder & | add (Key &&key, UErrorCode &status) noexcept
| Adds a single key to the list.
SelectorKeys | build (UErrorCode &status) const
| Constructs a new immutable `SelectorKeys` using the list of keys set with previous `add()` calls.
| Builder (UErrorCode &status)
| Default constructor.
virtual | ~Builder ()
| Destructor.
| Builder (const Builder &)=delete
Builder & | operator= (const Builder &)=delete
| Builder (Builder &&)=delete
Builder & | operator= (Builder &&)=delete

## Friends

class | SelectorKeys

## Detailed Description

The mutable `SelectorKeys::Builder` class allows the key list to be constructed one key at a time.

Builder is not copyable or movable.

Internal:
  Do not use. This API is for internal use only. ICU 75 technology preview

Deprecated:
  This API is for technology preview only.

Definition at line 540 of file messageformat2_data_model.h.

## Constructor & Destructor Documentation

## Builder()

icu::message2::data_model::SelectorKeys::Builder::Builder | ( | UErrorCode & | status | ) |

Default constructor.

Returns a Builder with an empty list of keys.

Parameters

  status | Input/output error code

Internal:
  Do not use. This API is for internal use only. ICU 75 technology preview

Deprecated:
  This API is for technology preview only.

## ~Builder()

virtual icu::message2::data_model::SelectorKeys::Builder::~Builder | ( |  | ) |

virtual

Destructor.

Internal:
  Do not use. This API is for internal use only. ICU 75 technology preview

Deprecated:
  This API is for technology preview only.

## Member Function Documentation

## add()

Builder & icu::message2::data_model::SelectorKeys::Builder::add | ( | Key && | key,
|  | UErrorCode & | status
| ) |  |

noexcept

Adds a single key to the list.

Parameters

  key | The key to be added. Passed by move
  status | Input/output error code

Returns
  A reference to the builder.

Internal:
  Do not use. This API is for internal use only. ICU 75 technology preview

Deprecated:
  This API is for technology preview only.

## build()

SelectorKeys icu::message2::data_model::SelectorKeys::Builder::build | ( | UErrorCode & | status | ) | const

Constructs a new immutable `SelectorKeys` using the list of keys set with previous `add()` calls.

The builder object (`this`) can still be used after calling `build()`.

Parameters

  status | Input/output error code

Returns
  The new SelectorKeys object

Internal:
  Do not use. This API is for internal use only. ICU 75 technology preview

Deprecated:
  This API is for technology preview only.

## Friends And Related Symbol Documentation

## SelectorKeys

friend class SelectorKeys

friend

Definition at line 542 of file messageformat2_data_model.h.

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

- i18n/unicode/messageformat2_data_model.h