len

const len: (obj: string | unknown[] | Map<unknown, unknown> | Set<unknown> | { length: number; }) => number = builtins.len

Defined in: packages/pythonlib/src/index.ts:162

Return the number of items in an object.

Works with strings, arrays, Maps, Sets, and objects with a length property.

Parameters

Parameter	Type	Description
obj	string | unknown[] | Map<unknown, unknown> | Set<unknown> | { length: number; }	The object to measure

Returns

number

The number of items

See

Python len()