checkNotNull<T extends Object> static method

T checkNotNull<T extends Object>(T? argument, { String? name, String? message, })

Throws if argument is null.

If name is supplied, it is used as the parameter name in the error message.

Returns the argument if it is not null.

Implementation

static T checkNotNull<T extends Object>(
  T? argument, {
  String? name,
  String? message,
}) {
  if (null != argument) return argument;
  throw ArgumentErrorUtils._value(
    argument,
    name: name,
    message: "Must not be null",
    extraMessage: message,
  );
}