akkurate-core/dev.nesk.akkurate.constraints.builders/isNotContainingValue

isNotContainingValue

fun <V> Validatable<Map<*, V>?>.isNotContainingValue(value: V): Constraint

The validatable Map must not contain the provided value when this constraint is applied.

Code example:

val validate = Validator<Map<Char, Int>> { isNotContainingValue(2) }
validate(emptyMap()) // Success
validate(mapOf('a' to 1, 'b' to 2, 'c' to 3)) // Failure (message: Must not contain value "2")