whenOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? whenOrNull<TResult extends Object?>(
  1. TResult? $default(
    1. String protocol,
    2. String? sendThrough,
    3. String? tag,
    4. XrayOutboundSettings? settings,
    5. StreamConfig? streamSettings,
    6. ProxyConfig? proxySettings,
    7. MuxConfig? mux,
    8. XrayTargetStrategy? targetStrategy,
    )?
)

A variant of when that fallback to returning null

It is equivalent to doing:

switch (sealedClass) {
  case Subclass(:final field):
    return ...;
  case _:
    return null;
}

Implementation

@optionalTypeArgs TResult? whenOrNull<TResult extends Object?>(TResult? Function( String protocol,  String? sendThrough,  String? tag,  XrayOutboundSettings? settings,  StreamConfig? streamSettings,  ProxyConfig? proxySettings,  MuxConfig? mux,  XrayTargetStrategy? targetStrategy)?  $default,) {final _that = this;
switch (_that) {
case _OutboundDetourConfig() when $default != null:
return $default(_that.protocol,_that.sendThrough,_that.tag,_that.settings,_that.streamSettings,_that.proxySettings,_that.mux,_that.targetStrategy);case _:
  return null;

}
}