when<TResult extends Object?> method Null safety

  1. @optionalTypeArgs
TResult when<TResult extends Object?>(
  1. {required TResult string(
    1. String value
    ),
  2. required TResult number(
    1. double value
    ),
  3. required TResult boolean(
    1. bool value
    )}
)
inherited

Implementation

@optionalTypeArgs
TResult when<TResult extends Object?>({
  required TResult Function(String value) string,
  required TResult Function(double value) number,
  required TResult Function(bool value) boolean,
}) =>
    throw _privateConstructorUsedError;