Function derive

derive<P, R>(parent: Read<P>, fn: (v: P) => R): Cell<R>
Untyped read-only view: derive(parent, fn), derive(parents, fn), or derive(fn) (closure).
Type Parameters
- P
- R
Parameters
- parent: Read<P>
- fn: (v: P) => R
Returns Cell<R>
- Defined in src/core/cell.ts:1761
derive<P extends readonly Read<unknown>[], R>(
parents: P,
fn: (vals: ReadValues<P>) => R,
): Cell<R>
Untyped read-only view: derive(parent, fn), derive(parents, fn), or derive(fn) (closure).
Type Parameters
- P extends readonly Read<unknown>[]
- R
Parameters
- parents: P
- fn: (vals: ReadValues<P>) => R
Returns Cell<R>
- Defined in src/core/cell.ts:1762
derive<R>(fn: () => R): Cell<R>
Untyped read-only view: derive(parent, fn), derive(parents, fn), or derive(fn) (closure).
Type Parameters
- R
Parameters
- fn: () => R
Returns Cell<R>
- Defined in src/core/cell.ts:1766