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[fine] While loops, nothing

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This commit is contained in:
John Doty 2024-02-05 06:11:37 -08:00
parent 1cc5ce6ca9
commit ac3c158a81
7 changed files with 166 additions and 48 deletions
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6
fine/tests/expression/alternates.fine
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@ -46,7 +46,7 @@ fun attack(weapon: MeleeWeapon or RangedWeapon, monster: Monster, distance: f64)
// from the `is` binding in scope.
if weapon is MeleeWeapon and distance > 1 or
weapon is w : RangedWeapon and (distance < w.minRange or distance > w.maxRange) {
print("You are out of range")
print("You are out of range");
return
}
@ -72,7 +72,7 @@ fun attack(weapon: MeleeWeapon or RangedWeapon, monster: Monster, distance: f64)
}
}
fun more_examples(weapon: MeleeWeapon or RangedWeapon) -> f64 or () {
fun more_examples(weapon: MeleeWeapon or RangedWeapon) -> f64 or nothing {
if weapon is w: RangedWeapon and w.maxRange > 10 {
// w is still in scope here; the `and` is bound into a predicate expression
// and breaks exhaustivity
@ -115,7 +115,7 @@ fun test() -> f64 {
// Unroll by hand...
let it = new Iterator { current: 0 };
loop {
while true {
if it.next() is v: f64 {
sum = sum + v;
} else {

2
fine/tests/expression/block.fine
View file

@ -16,7 +16,7 @@ fun test() {
// | 1: Return
// |
// @eval: Nothing
// @type: 15 ()
// @type: 15 nothing
// @concrete:
// | File
// | FunctionDecl

2
fine/tests/expression/errors/if_requires_else.fine
View file

@ -1,4 +1,4 @@
if (if false { true }) { 32 } else { 23 }
// @expect-errors:
// | 1:4: the type of the 'then' branch ('bool') must match the type of the 'else' branch ('()')
// | 1:4: the type of the 'then' branch ('bool') must match the type of the 'else' branch ('nothing')