49 lines
1.2 KiB
Plaintext
49 lines
1.2 KiB
Plaintext
#!/usr/bin/env conlang
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// This is a Conlang file.
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// This is a function. It can be called with the call operator.
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// The function called `main` is the program's entrypoint
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// fn main() -> (&str, bool, i128)
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const main = fn () {
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// An if expression is like the ternary conditional operator in C
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let y = if 10 < 50 {
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"\u{1f988}"
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} else {
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"x"
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};
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// A `while` expression is like the while-else construct in Python,
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// but it returns a value via the `break` keyword
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let z = while false {
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// do a thing repeatedly
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break true
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} else {
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// If `while` does not `break`, fall through to the `else` expression
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false
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};
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// The same is true of `for` expressions!
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// let w = for idx in 0..100 {
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// if idx > 2 * 2 {
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// break idx
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// }
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// } else {
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// 12345
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// };
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// desugars to
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{
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let _pass = || if idx > 2 * 2 { break idx };
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let _body = || { 12345 };
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let _it = 0..100;
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loop if let idx = _it.next() _pass() else _fail()
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};
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// A block evaluates to its last expression,
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// or Empty if there is none
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// (🦈, false, 5)
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(y, z, w)
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}
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