TypeScript/tests/cases/conformance/functions/parameterInitializersForwardReferencing1.ts
2018-08-28 16:41:26 +08:00

32 lines
597 B
TypeScript

let foo: string = "";
function f1 (bar = foo) { // unexpected compiler error; works at runtime
var foo: number = 2;
return bar; // returns 1
}
function f2 (bar = (baz = foo) => baz) { // unexpected compiler error; works at runtime
var foo: number = 2;
return bar(); // returns 1
}
function f3 (bar = foo, foo = 2) { // correct compiler error, error at runtime
return bar;
}
function f4 (foo, bar = foo) {
return bar
}
function f5 (a = a) {
return a
}
function f6 (async = async) {
return async
}
function f7({[foo]: bar}: any[]) {
let foo: number = 2;
}