TypeUsagePatterns extension

Adds pattern-matching-related methods to TypeUsage.

on

Methods

map<TResult extends Object?>(TResult $default(_TypeUsage value)) → TResult: Available on TypeUsage, provided by the TypeUsagePatterns extension
A switch-like method, using callbacks.
mapOrNull<TResult extends Object?>(TResult? $default(_TypeUsage value)?) → TResult?: Available on TypeUsage, provided by the TypeUsagePatterns extension
A variant of map that fallback to returning null.
maybeMap<TResult extends Object?>(TResult $default(_TypeUsage value)?, {required TResult orElse()}) → TResult: Available on TypeUsage, provided by the TypeUsagePatterns extension
A variant of map that fallback to returning orElse.
maybeWhen<TResult extends Object?>(TResult $default(TypeUsageKind kind, String referringElementName, bool isVisibleForTesting)?, {required TResult orElse()}) → TResult: Available on TypeUsage, provided by the TypeUsagePatterns extension
A variant of when that fallback to an orElse callback.
when<TResult extends Object?>(TResult $default(TypeUsageKind kind, String referringElementName, bool isVisibleForTesting)) → TResult: Available on TypeUsage, provided by the TypeUsagePatterns extension
A switch-like method, using callbacks.
whenOrNull<TResult extends Object?>(TResult? $default(TypeUsageKind kind, String referringElementName, bool isVisibleForTesting)?) → TResult?: Available on TypeUsage, provided by the TypeUsagePatterns extension
A variant of when that fallback to returning null