ExchangePatterns extension

Adds pattern-matching-related methods to Exchange.

on

• Exchange

Methods

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

Available on Exchange, provided by the ExchangePatterns extension

A switch-like method, using callbacks.

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

Available on Exchange, provided by the ExchangePatterns extension

A variant of map that fallback to returning null.

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

Available on Exchange, provided by the ExchangePatterns extension

A variant of map that fallback to returning orElse.

maybeWhen<TResult extends Object?>(TResult $default(String id, String imageUrl, String name)?, {required TResult orElse()}) → TResult

Available on Exchange, provided by the ExchangePatterns extension

A variant of when that fallback to an orElse callback.

when<TResult extends Object?>(TResult $default(String id, String imageUrl, String name)) → TResult

Available on Exchange, provided by the ExchangePatterns extension

A switch-like method, using callbacks.

whenOrNull<TResult extends Object?>(TResult? $default(String id, String imageUrl, String name)?) → TResult?

Available on Exchange, provided by the ExchangePatterns extension

A variant of when that fallback to returning null