NavigationPatterns extension
Adds pattern-matching-related methods to Navigation.
- on
Methods
-
map<
TResult extends Object?> (TResult $default(_Navigation value)) → TResult -
Available on Navigation, provided by the NavigationPatterns extension
Aswitch
-like method, using callbacks. -
mapOrNull<
TResult extends Object?> (TResult? $default(_Navigation value)?) → TResult? -
Available on Navigation, provided by the NavigationPatterns extension
A variant ofmap
that fallback to returningnull
. -
maybeMap<
TResult extends Object?> (TResult $default(_Navigation value)?, {required TResult orElse()}) → TResult -
Available on Navigation, provided by the NavigationPatterns extension
A variant ofmap
that fallback to returningorElse
. -
maybeWhen<
TResult extends Object?> (TResult $default(List< NavigationItem> ? primaryActions, List<NavigationItem> ? secondaryActions, int drawerSelectedIndex, int bottomBarSelectedIndex)?, {required TResult orElse()}) → TResult -
Available on Navigation, provided by the NavigationPatterns extension
A variant ofwhen
that fallback to anorElse
callback. -
when<
TResult extends Object?> (TResult $default(List< NavigationItem> ? primaryActions, List<NavigationItem> ? secondaryActions, int drawerSelectedIndex, int bottomBarSelectedIndex)) → TResult -
Available on Navigation, provided by the NavigationPatterns extension
Aswitch
-like method, using callbacks. -
whenOrNull<
TResult extends Object?> (TResult? $default(List< NavigationItem> ? primaryActions, List<NavigationItem> ? secondaryActions, int drawerSelectedIndex, int bottomBarSelectedIndex)?) → TResult? -
Available on Navigation, provided by the NavigationPatterns extension
A variant ofwhen
that fallback to returningnull