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composition()

composition<A, B>(f): <C>(g) => (x) => B

Pass a value to a function and then the result to another function.

Type Parameters​

• A

• B

Parameters​

f​

(z) => B

The second function in the composition.

Returns​

Function

Type Parameters​

• C

Parameters​

g​

(y) => A

Returns​

Function

Parameters​

x​

C

Returns​

B

Remark​

B combinator

Remark​

composition :: (a → b) → (c → a) → c → b

Remark​

λabc.a(bc)

Remark​

pure function

Example​

composition((x) => x + 8)((x) => x * 3)(4);
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