checkNotNull<@Since("2.8") T> static method

  1. @Since("2.1")
T checkNotNull<@Since("2.8") T>(
  1. T? argument,
  2. [String? name]

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.


static T checkNotNull<@Since("2.8") T>(T? argument, [String? name]) =>
    argument ?? (throw ArgumentError.notNull(name));