Class CmpEqBy<A,B extends Comparable<B>>
java.lang.Object
com.jnape.palatable.lambda.functions.builtin.fn3.CmpEqBy<A,B>
- Type Parameters:
A
- the value typeB
- the mapped comparison type
- All Implemented Interfaces:
Fn1<Fn1<? super A,
,? extends B>, Fn1<A, Fn1<A, Boolean>>> Fn2<Fn1<? super A,
,? extends B>, A, Fn1<A, Boolean>> Fn3<Fn1<? super A,
,? extends B>, A, A, Boolean> Applicative<Fn1<A,
,Fn1<A, Boolean>>, Fn1<Fn1<? super A, ? extends B>, ?>> Cartesian<Fn1<? super A,
,? extends B>, Fn1<A, Fn1<A, Boolean>>, Fn1<?, ?>> Cocartesian<Fn1<? super A,
,? extends B>, Fn1<A, Fn1<A, Boolean>>, Fn1<?, ?>> Contravariant<Fn1<? super A,
,? extends B>, Profunctor<?, Fn1<A, Fn1<A, Boolean>>, Fn1<?, ?>>> Functor<Fn1<A,
,Fn1<A, Boolean>>, Fn1<Fn1<? super A, ? extends B>, ?>> Profunctor<Fn1<? super A,
,? extends B>, Fn1<A, Fn1<A, Boolean>>, Fn1<?, ?>> Monad<Fn1<A,
,Fn1<A, Boolean>>, Fn1<Fn1<? super A, ? extends B>, ?>> MonadReader<Fn1<? super A,
,? extends B>, Fn1<A, Fn1<A, Boolean>>, Fn1<Fn1<? super A, ? extends B>, ?>> MonadRec<Fn1<A,
,Fn1<A, Boolean>>, Fn1<Fn1<? super A, ? extends B>, ?>> MonadWriter<Fn1<? super A,
? extends B>, Fn1<A, Fn1<A, Boolean>>, Fn1<Fn1<? super A, ? extends B>, ?>>
public final class CmpEqBy<A,B extends Comparable<B>>
extends Object
implements Fn3<Fn1<? super A,? extends B>,A,A,Boolean>
Given a mapping function from some type
A
to some Comparable
type B
and two values
of type A
, return true
if the first value is strictly equal to the second value (according
to Comparable.compareTo(Object)
in terms of their mapped B
results; otherwise, return false.- See Also:
-
Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionPartially apply this function by taking its first argument.Partially apply this function by taking its first two arguments.static <A,
B extends Comparable<B>>
CmpEqBy<A, B> cmpEqBy()
static <A,
B extends Comparable<B>>
BiPredicate<A, A> static <A,
B extends Comparable<B>>
Predicate<A> static <A,
B extends Comparable<B>>
BooleanMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface com.jnape.palatable.lambda.functions.Fn1
andThen, carry, cartesian, censor, choose, cocartesian, diMap, diMapR, discardL, flatMap, fmap, lazyZip, listens, local, pure, self, thunk, toFunction, trampolineM, zip, zip
Methods inherited from interface com.jnape.palatable.lambda.functions.Fn2
checkedApply, toBiFunction
-
Field Details
-
INSTANCE
-
-
Constructor Details
-
CmpEqBy
private CmpEqBy()
-
-
Method Details
-
checkedApply
- Specified by:
checkedApply
in interfaceFn3<Fn1<? super A,
? extends B extends Comparable<B>>, A, A, Boolean>
-
apply
Description copied from interface:Fn3
Partially apply this function by taking its first argument.- Specified by:
apply
in interfaceFn1<A,
B extends Comparable<B>> - Specified by:
apply
in interfaceFn2<Fn1<? super A,
? extends B extends Comparable<B>>, A, Fn1<A, Boolean>> - Specified by:
apply
in interfaceFn3<Fn1<? super A,
? extends B extends Comparable<B>>, A, A, Boolean> - Parameters:
compareFn
- the first argument- Returns:
- an
Fn2
<B, C, D>
-
apply
Description copied from interface:Fn3
Partially apply this function by taking its first two arguments. -
cmpEqBy
-
cmpEqBy
public static <A,B extends Comparable<B>> BiPredicate<A,A> cmpEqBy(Fn1<? super A, ? extends B> compareFn) -
cmpEqBy
public static <A,B extends Comparable<B>> Predicate<A> cmpEqBy(Fn1<? super A, ? extends B> compareFn, A x) -
cmpEqBy
public static <A,B extends Comparable<B>> Boolean cmpEqBy(Fn1<? super A, ? extends B> compareFn, A x, A y)
-