Standard Operators for the working Swift Librarian.
Operadics introduces the following operators at global scope
| Operator | Name | Recommended Type |
|---|---|---|
• |
compose | • <A, B, C>(B -> C, A -> B) -> A -> C |
§ |
apply | § <A, B>(A -> B, A) -> B |
| `< | ` | apply |
| ` | >` | thrush |
<- |
extract | <- <A>(M<A>, A) -> Void |
| ` | * | ` |
<> |
op | <> <A : Monoid>(A, A) -> A |
<^ |
replace | <^ <A, B>(A, F<B>) -> F<A> |
^> |
replace | ^> <A, B>(F<A>, B) -> F<B> |
<^> |
fmap | <^> <A, B>(A -> B, F<A>) -> F<B> |
<^^> |
imap | <^^> <I, J, A>(I -> J, F<I, A>) -> F<J, A> |
<!> |
contramap | <^> <I, J, A>(J -> I, F<I, A>) -> F<J, A> |
<*> |
apply | <*> <A, B>(F<A -> B>, F<A>) -> F<B> |
>>- |
bind | >>- <A, B>(F<A>, A -> F<B>) -> F<B> |
-<< |
bind | -<< <A, B>(A -> F<B>, F<A>) -> F<B> |
>>->> |
Kleisli | >>->> <A, B, C>(A -> F<B>, B -> F<C>) -> A -> F<C> |
<<-<< |
Kleisli | <<-<< <A, B, C>(B -> F<C>, A -> F<B>) -> A -> F<C> |
->> |
extend | ->> <A, B>(F<A>, F<A> -> B) -> F<B> |
<<< |
r-t-l compose | <<< <C, A, B, C>(C<B, C>, C<A, B>) -> C<A, C> |
>>> |
l-t-r compose | >>> <C, A, B, C>(C<A, B>, C<B, C>) -> C<A, C> |
&&& |
split | &&& <A, B, C, D>(A<B, C>, A<B, D>) -> A<B, (C, D)> |
*** |
fanout | *** <A, B, C, D, E>(A<B, C>, A<D, E>) -> A<(B, D), (C, E)> |
+++ |
splat | +++ <A, B, C, D, E>(A<B, C>, A<D, E>) -> A<Either<D, B>, Either<C, E>> |
| ` | ||
<+> |
op | <+> <A, B, C>(A<B, C>, A<B, C>) -> A<B, C> |
<? |
retrieve | <? <A : JSONDecodable>(JSONValue, JSONKeypath) -> A? |
<?? |
opt retrieve | <?? <A : JSONDecodable>(JSONValue, JSONKeypath) -> A?? |
<! |
force retrieve | <! <A : JSONDecodable>(JSONValue, JSONKeypath) -> A |
∪ |
union | ∪ <A>(Set<A>, Set<A>) -> Set<A> |
∩ |
intersect | ∩ <A>(Set<A>, Set<A>) -> Set<A> |