HeaderPatterns extension

Adds pattern-matching-related methods to Header.

on

• Header

Methods

map<TResult extends Object?>(TResult $default(_Header value)) → TResult

Available on Header, provided by the HeaderPatterns extension

A switch-like method, using callbacks.

mapOrNull<TResult extends Object?>(TResult? $default(_Header value)?) → TResult?

Available on Header, provided by the HeaderPatterns extension

A variant of map that fallback to returning null.

maybeMap<TResult extends Object?>(TResult $default(_Header value)?, {required TResult orElse()}) → TResult

Available on Header, provided by the HeaderPatterns extension

A variant of map that fallback to returning orElse.

maybeWhen<TResult extends Object?>(TResult $default(String? description, Schema? schema)?, {required TResult orElse()}) → TResult

Available on Header, provided by the HeaderPatterns extension

A variant of when that fallback to an orElse callback.

when<TResult extends Object?>(TResult $default(String? description, Schema? schema)) → TResult

Available on Header, provided by the HeaderPatterns extension

A switch-like method, using callbacks.

whenOrNull<TResult extends Object?>(TResult? $default(String? description, Schema? schema)?) → TResult?

Available on Header, provided by the HeaderPatterns extension

A variant of when that fallback to returning null