js-utils/docs/api/js-utils.gethead.md

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getHead() function

Get the first element from the specified key within a map of lists.

Signature:

export declare function getHead<TKey, TVal>(map: Map<TKey, ReadonlyArray<TVal>>, key: TKey): TVal;

Parameters

Parameter	Type	Description
map	Map<TKey, ReadonlyArray<TVal>>
key	TKey

Returns:

TVal