// This test assigns an opaque type to lodash/underscore.
// This means that it will pass TypeScript's static analysis.
// But it won't pass the typings-checker, which doesn't allow 'any'.
let _: any;

// $ExpectType number
_.find([1, 2, 3], x => x * 1 == 3);
// $ExpectError Operator '==' cannot be applied to types 'number' and 'string'.
_.find([1, 2, 3], x => x == 'a');
// $ExpectType number
_.find([1, 2, 3], 1);
// $ExpectError Property 'y' does not exist on type '{ x: number; }'.
_.find([{x:1}, {x:2}, {x:3}], v => v.y == 3);
// $ExpectType { x: number; }
_.find([{x:1}, {x:2}, {x:3}], v => v.x == 3);