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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/const-generics/min_const_generics/complex-expression.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/const-generics/min_const_generics/complex-expression.rs')
-rw-r--r--src/test/ui/const-generics/min_const_generics/complex-expression.rs47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/min_const_generics/complex-expression.rs b/src/test/ui/const-generics/min_const_generics/complex-expression.rs
new file mode 100644
index 000000000..7840989cb
--- /dev/null
+++ b/src/test/ui/const-generics/min_const_generics/complex-expression.rs
@@ -0,0 +1,47 @@
+use std::mem::size_of;
+
+fn test<const N: usize>() {}
+
+fn ok<const M: usize>() -> [u8; M] {
+ [0; { M }]
+}
+
+struct Break0<const N: usize>([u8; { N + 1 }]);
+//~^ ERROR generic parameters may not be used in const operations
+
+struct Break1<const N: usize>([u8; { { N } }]);
+//~^ ERROR generic parameters may not be used in const operations
+
+fn break2<const N: usize>() {
+ let _: [u8; N + 1];
+ //~^ ERROR generic parameters may not be used in const operations
+}
+
+fn break3<const N: usize>() {
+ let _ = [0; N + 1];
+ //~^ ERROR generic parameters may not be used in const operations
+}
+
+struct BreakTy0<T>(T, [u8; { size_of::<*mut T>() }]);
+//~^ ERROR generic parameters may not be used in const operations
+
+struct BreakTy1<T>(T, [u8; { { size_of::<*mut T>() } }]);
+//~^ ERROR generic parameters may not be used in const operations
+
+fn break_ty2<T>() {
+ let _: [u8; size_of::<*mut T>() + 1];
+ //~^ ERROR generic parameters may not be used in const operations
+}
+
+fn break_ty3<T>() {
+ let _ = [0; size_of::<*mut T>() + 1];
+ //~^ WARN cannot use constants which depend on generic parameters in types
+ //~| WARN this was previously accepted by the compiler but is being phased out
+}
+
+
+trait Foo {
+ const ASSOC: usize;
+}
+
+fn main() {}