effect-io-ai

Package: effect
Module: MutableHashMap

MutableHashMap.isMutableHashMap

Checks whether the specified value is a MutableHashMap, false otherwise.

When to use

Use to narrow an unknown value before treating it as a mutable hash map.

Details

The check looks for the MutableHashMap runtime marker.

Gotchas

The check does not validate the key or value types carried by the map.

See

• MutableHashMap for the mutable hash map interface

Signature

declare const isMutableHashMap: <K, V>(value: unknown) => value is MutableHashMap<K, V>

Source

Since v4.0.0