mapOrNull<TResult extends Object?> method

  1. @optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>({
  1. TResult? codeInterpreter(
    1. RunStepDetailsToolCallsCodeObject value
    )?,
  2. TResult? fileSearch(
    1. RunStepDetailsToolCallsFileSearchObject value
    )?,
  3. TResult? function(
    1. RunStepDetailsToolCallsFunctionObject value
    )?,
})

A variant of map that fallback to returning null.

It is equivalent to doing:

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

Implementation

@optionalTypeArgs
TResult? mapOrNull<TResult extends Object?>({
  TResult? Function(RunStepDetailsToolCallsCodeObject value)? codeInterpreter,
  TResult? Function(RunStepDetailsToolCallsFileSearchObject value)?
      fileSearch,
  TResult? Function(RunStepDetailsToolCallsFunctionObject value)? function,
}) {
  final _that = this;
  switch (_that) {
    case RunStepDetailsToolCallsCodeObject() when codeInterpreter != null:
      return codeInterpreter(_that);
    case RunStepDetailsToolCallsFileSearchObject() when fileSearch != null:
      return fileSearch(_that);
    case RunStepDetailsToolCallsFunctionObject() when function != null:
      return function(_that);
    case _:
      return null;
  }
}