checkNotNull<T> method

  1. @Since("2.1")
T checkNotNull <T>(T argument, [ String name ])
@Since("2.1")

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

@Since("2.1")
static T checkNotNull<@Since("2.8") T>(T argument, [String name]) {
  if (argument == null) throw ArgumentError.notNull(name);
  return argument;
}