dummy.do: Semicolon elision!

This commit is contained in:
2025-10-17 06:57:37 -04:00
parent db9c75b3c6
commit 75048c61c9

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@@ -4,13 +4,13 @@
// This is a function. It can be called with the call operator.
// The function called `main` is the program's entrypoint
fn main() /*-> (&str, bool, i128)*/ {
fn main() -> (&str, bool, i128) {
// An if expression is like the ternary conditional operator in C
let y = if 10 < 50 {
"\u{1f988}"
} else {
"x"
};
}
// A `while` expression is like the while-else construct in Python,
// but it returns a value via the `break` keyword
@@ -20,26 +20,28 @@ fn main() /*-> (&str, bool, i128)*/ {
} else {
// If `while` does not `break`, fall through to the `else` expression
false
};
}
// The same is true of `for` expressions!
// let w = for idx in 0..100 {
// if idx > 2 * 2 {
// break idx
// }
// } else {
// 12345
// };
let w = for idx in 0..100 {
if idx > 2 * 2 {
break idx
}
} else 12345; // semicolon operator required here
// desugars to
{
let _it = 0..100;
loop if let idx = _it.next() {
if idx > 2 * 2 { break idx }
} else break { 12345 }
let w = match ((0..100).into_iter()) {
__iter => loop match (__iter.next()) {
None => break 12345,
Some (idx) => {
if (idx > (2 * 2)) {
break idx
}
},
},
};
// A block evaluates to its last expression,
// or Empty if there is none
// (🦈, false, 5)