TypeScript/tests/cases/compiler/bestChoiceType.ts
Anders Hejlsberg 47f6bb2e26 Add test
2016-08-01 09:49:27 -07:00

20 lines
355 B
TypeScript

// @strictNullChecks: true
// Repro from #10041
(''.match(/ /) || []).map(s => s.toLowerCase());
// Similar cases
function f1() {
let x = ''.match(/ /);
let y = x || [];
let z = y.map(s => s.toLowerCase());
}
function f2() {
let x = ''.match(/ /);
let y = x ? x : [];
let z = y.map(s => s.toLowerCase());
}