rust/tests/ui/rfc-2497-if-let-chains/ensure-that-let-else-does-not-interact-with-let-chains.rs

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