dart:core

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

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]) =>
    argument ?? (throw ArgumentError.notNull(name));