55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
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#![feature(let_chains, let_else)]
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fn main() {
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let opt = Some(1i32);
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let Some(n) = opt else {
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return;
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};
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let Some(n) = opt && n == 1 else {
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//~^ ERROR a `&&` expression cannot be directly assigned in `let...else`
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//~| ERROR mismatched types
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//~| ERROR mismatched types
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return;
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};
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let Some(n) = opt && let another = n else {
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//~^ ERROR a `&&` expression cannot be directly assigned in `let...else`
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//~| ERROR `let` expressions are not supported here
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//~| ERROR mismatched types
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//~| ERROR mismatched types
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return;
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};
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if let Some(n) = opt else {
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//~^ ERROR missing condition for `if` expression
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return;
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};
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if let Some(n) = opt && n == 1 else {
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//~^ ERROR missing condition for `if` expression
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return;
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};
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if let Some(n) = opt && let another = n else {
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//~^ ERROR missing condition for `if` expression
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return;
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};
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{
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while let Some(n) = opt else {
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//~^ ERROR expected `{`, found keyword `else`
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return;
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};
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}
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{
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while let Some(n) = opt && n == 1 else {
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//~^ ERROR expected `{`, found keyword `else`
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return;
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};
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}
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{
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while let Some(n) = opt && let another = n else {
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//~^ ERROR expected `{`, found keyword `else`
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return;
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};
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}
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}
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