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pipelined

has

has<K>(key): <V>(m) => boolean

Defined in: Utils/Dict.ts:108

Returns true if the dictionary contains the given key.

Type Parameters

Section titled “Type Parameters”

K

Section titled “K”

K

Parameters

Section titled “Parameters”

key

Section titled “key”

K

Returns

Section titled “Returns”

<V>(m): boolean

Type Parameters

Section titled “Type Parameters”

V

Section titled “V”

V

Parameters

Section titled “Parameters”

m

Section titled “m”

ReadonlyMap<K, V>

Returns

Section titled “Returns”

boolean

Example

Section titled “Example”
pipe(Dict.fromEntries([["a", 1]]), Dict.has("a")); // true
pipe(Dict.fromEntries([["a", 1]]), Dict.has("b")); // false