tuple

Usage: tuple([...preds])

Source

Example:

const s = require('speculaas');
const {isDouble} = s.utils;

s.def('::point', s.tuple(isDouble, isDouble, isDouble));

s.isValid('::point', [1.5, 2.5, -0.5]);
// true

s.isValid('::point', [1.5, 2.5, -0.5, 3.0]);
// false