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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/recursion/recursion.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/recursion/recursion.rs')
-rw-r--r-- | src/test/ui/recursion/recursion.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/recursion/recursion.rs b/src/test/ui/recursion/recursion.rs new file mode 100644 index 000000000..b3ba0ec3a --- /dev/null +++ b/src/test/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); +} |