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@nlozgachev/pipekit

lookup

lookup(key): <A>(data) => Option<A>

Defined in: Core/Rec.ts:99

Looks up a value by key, returning Option.

Parameters

Section titled “Parameters”

key

Section titled “key”

string

Returns

Section titled “Returns”

<A>(data): Option<A>

Type Parameters

Section titled “Type Parameters”

A

Section titled “A”

A

Parameters

Section titled “Parameters”

data

Section titled “data”

Readonly<Record<string, A>>

Returns

Section titled “Returns”

Option<A>

Example

Section titled “Example”
pipe({ a: 1, b: 2 }, Rec.lookup("a")); // Some(1)
pipe({ a: 1, b: 2 }, Rec.lookup("c")); // None