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190 lines
3.6 KiB
Rust
190 lines
3.6 KiB
Rust
#![feature(inline_const)]
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#![feature(yeet_expr)]
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#![allow(incomplete_features)] // Necessary for now, while explicit_tail_calls is incomplete
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#![feature(explicit_tail_calls)]
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fn a() {
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let foo = {
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn b() {
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let foo = for i in 1..2 {
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break;
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} else {
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//~^ ERROR `for...else` loops are not supported
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return;
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};
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}
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fn c() {
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let foo = if true {
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1
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} else {
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0
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn d() {
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let foo = loop {
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break;
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} else {
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//~^ ERROR loop...else` loops are not supported
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return;
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};
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}
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fn e() {
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let foo = match true {
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true => 1,
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false => 0
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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struct X {a: i32}
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fn f() {
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let foo = X {
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a: 1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn g() {
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let foo = while false {
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break;
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} else {
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//~^ ERROR `while...else` loops are not supported
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return;
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};
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}
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fn h() {
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let foo = const {
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn i() {
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let foo = &{
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn j() {
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let bar = 0;
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let foo = bar = {
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn k() {
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let foo = 1 + {
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn l() {
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let foo = 1..{
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn m() {
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let foo = return {
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()
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn n() {
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let foo = -{
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1
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn o() -> Result<(), ()> {
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let foo = do yeet {
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()
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return Ok(());
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};
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}
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fn p() {
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let foo = become {
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()
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn q() {
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let foo = |x: i32| {
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x
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} else {
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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return;
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};
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}
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fn r() {
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let ok = format_args!("") else { return; };
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let bad = format_args! {""} else { return; };
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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}
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fn s() {
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macro_rules! a {
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() => { {} }
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}
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macro_rules! b {
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(1) => {
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let x = a!() else { return; };
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};
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(2) => {
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let x = a! {} else { return; };
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//~^ ERROR right curly brace `}` before `else` in a `let...else` statement not allowed
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};
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}
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b!(1); b!(2);
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}
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fn main() {}
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