Class

Predicate

Predicate represents a condition on an Input.

Declaration

class Predicate<Input>

Topics

Instance Properties

var description: String
Description of the Predicate.

Type Methods

static func any(Input.Type) -> Predicate<Input>
Creates a Predicate<Input> able to match any value of type Input.
static func eq(Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements equal to value
Available when Input conforms to Equatable.
static func equals(to: Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements equal to value
Available when Input conforms to Equatable.
static func ge(Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements greater than or equal to value
Available when Input conforms to Comparable.
static func greater(than: Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements greater than value
Available when Input conforms to Comparable.
static func greaterThanOrEquals(to: Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements greater than or equal to value
Available when Input conforms to Comparable.
static func gt(Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements greater than value
Available when Input conforms to Comparable.
static func id(Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements identical to value
static func identical(to: Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements identical to value
static func isFalse() -> Predicate<Bool>
Creates a Predicate<Bool> that can match any Bool equal to false
Available when Input is Bool.
static func isNil<Input>() -> Predicate<Input?>
Creates a Predicate<Input?> able to match nil.
static func isTrue() -> Predicate<Bool>
Creates a Predicate<Bool> that can match any Bool equal to true
Available when Input is Bool.
static func le(Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements less than or equal to value
Available when Input conforms to Comparable.
static func less(than: Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements less than value
Available when Input conforms to Comparable.
static func lessThanOrEquals(to: Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements less than or equal to value
Available when Input conforms to Comparable.
static func lt(Input) -> Predicate<Input>
Creates a Predicate<Input> that can match any elements less than value
Available when Input conforms to Comparable.
static func match(description: String?, any: Input.Type, (Input) -> Bool) -> Predicate<Input>
Creates a Predicate<Input>.
static func not(Predicate<Input>) -> Predicate<Input>
Creates a Predicate<Input> able to match any value of type Input not matched by an other predicate.

Default Implementations

AnyPredicate Implementations

Relationships

Conforms To