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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/recursion/recursion.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/recursion/recursion.rs')
| -rw-r--r-- | tests/ui/recursion/recursion.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/recursion/recursion.rs b/tests/ui/recursion/recursion.rs new file mode 100644 index 00000000000..b3ba0ec3a2a --- /dev/null +++ b/tests/ui/recursion/recursion.rs @@ -0,0 +1,25 @@ +// build-fail +// compile-flags:-C overflow-checks=off +// normalize-stderr-test: ".nll/" -> "/" + +enum Nil {NilValue} +struct Cons<T> {head:isize, tail:T} +trait Dot {fn dot(&self, other:Self) -> isize;} +impl Dot for Nil { + fn dot(&self, _:Nil) -> isize {0} +} +impl<T:Dot> Dot for Cons<T> { + fn dot(&self, other:Cons<T>) -> isize { + self.head * other.head + self.tail.dot(other.tail) + } +} +fn test<T:Dot> (n:isize, i:isize, first:T, second:T) ->isize { + match n { 0 => {first.dot(second)} + _ => {test (n-1, i+1, Cons {head:2*i+1, tail:first}, Cons{head:i*i, tail:second})} + //~^ ERROR recursion limit + } +} +pub fn main() { + let n = test(1, 0, Nil::NilValue, Nil::NilValue); + println!("{}", n); +} |
