maybeWhen<TResult extends Object?> method

  1. @optionalTypeArgs
TResult maybeWhen<TResult extends Object?>(
  1. TResult $default(
    1. String role,
    2. String? content,
    3. ToolCall? toolCall,
    4. ToolResult? toolResult,
    )?, {
  2. required TResult orElse(),
})

A variant of when that fallback to an orElse callback.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs TResult maybeWhen<TResult extends Object?>(TResult Function( String role,  String? content,  ToolCall? toolCall,  ToolResult? toolResult)?  $default,{required TResult orElse(),}) {final _that = this;
switch (_that) {
case _Message() when $default != null:
return $default(_that.role,_that.content,_that.toolCall,_that.toolResult);case _:
  return orElse();

}
}