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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:31 +0000
commit2ff14448863ac1a1dd9533461708e29aae170c2d (patch)
tree85b9fea2bbfe3f06473cfa381eed11f273b57c5c /src/test/ui/const-generics/generic_const_exprs/issue-100217.rs
parentAdding debian version 1.64.0+dfsg1-1. (diff)
downloadrustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz
rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/test/ui/const-generics/generic_const_exprs/issue-100217.rs42
1 files changed, 42 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/issue-100217.rs b/src/test/ui/const-generics/generic_const_exprs/issue-100217.rs
new file mode 100644
index 000000000..acdc348a3
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/issue-100217.rs
@@ -0,0 +1,42 @@
+// build-pass
+
+#![allow(incomplete_features)]
+#![feature(generic_const_exprs)]
+
+trait TraitOne {
+ const MY_NUM: usize;
+ type MyErr: std::fmt::Debug;
+
+ fn do_one_stuff(arr: [u8; Self::MY_NUM]) -> Result<(), Self::MyErr>;
+}
+
+trait TraitTwo {
+ fn do_two_stuff();
+}
+
+impl<O: TraitOne> TraitTwo for O
+where
+ [(); Self::MY_NUM]:,
+{
+ fn do_two_stuff() {
+ O::do_one_stuff([5; Self::MY_NUM]).unwrap()
+ }
+}
+
+struct Blargotron;
+
+#[derive(Debug)]
+struct ErrTy<const N: usize>([(); N]);
+
+impl TraitOne for Blargotron {
+ const MY_NUM: usize = 3;
+ type MyErr = ErrTy<{ Self::MY_NUM }>;
+
+ fn do_one_stuff(_arr: [u8; Self::MY_NUM]) -> Result<(), Self::MyErr> {
+ Ok(())
+ }
+}
+
+fn main() {
+ Blargotron::do_two_stuff();
+}