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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/tail-cps.rs
parentInitial commit. (diff)
downloadrustc-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/tail-cps.rs')
-rw-r--r--src/test/ui/tail-cps.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/tail-cps.rs b/src/test/ui/tail-cps.rs
new file mode 100644
index 000000000..f186683ea
--- /dev/null
+++ b/src/test/ui/tail-cps.rs
@@ -0,0 +1,17 @@
+// run-pass
+
+fn checktrue(rs: bool) -> bool { assert!((rs)); return true; }
+
+pub fn main() { let k = checktrue; evenk(42, k); oddk(45, k); }
+
+fn evenk(n: isize, k: fn(bool) -> bool) -> bool {
+ println!("evenk");
+ println!("{}", n);
+ if n == 0 { return k(true); } else { return oddk(n - 1, k); }
+}
+
+fn oddk(n: isize, k: fn(bool) -> bool) -> bool {
+ println!("oddk");
+ println!("{}", n);
+ if n == 0 { return k(false); } else { return evenk(n - 1, k); }
+}