checkNotNull<T> static method

T checkNotNull<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.

Implementation

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