equals<T extends num, E> static method

Rule<T, E> equals<T extends num, E>(
  1. T expected, {
  2. required E error,
})

Validates that the number equals expected.

NumberRules.equals(42, error: 'Must be 42')

Implementation

static Rule<T, E> equals<T extends num, E>(T expected, {required E error}) =>
    PredicateRule(predicate: (value) => value == expected, error: error);