Import
import { mapEntries } from "@typed/fx/RefRecord";Signatures
export declare const mapEntries: {
<K extends string, V, K2 extends string, B>(f: (value: V, key: K) => [
K2,
B
]): <E, R>(ref: RefRecord<K, V, E, R>) => RefSubject.Computed<Record.ReadonlyRecord<K2, B>, E, R>;
<K extends string, V, E, R, K2 extends string, B>(ref: RefRecord<K, V, E, R>, f: (value: V, key: K) => [
K2,
B
]): RefSubject.Computed<Record.ReadonlyRecord<K2, B>, E, R>;
};Why
Projects record state with map entries for both current reads and future pushes, avoiding a second mutable cache of the derived value.
Ownership and lifetime
The map entries view retains no independent state. An Effect read samples the source once; Fx observation follows later pushes and its observing Scope owns subscription cleanup.
Other public imports
These import paths expose the same declaration. Each page retains its own public name and signature.