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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/lint/lint-lowercase-static-const-pattern-rename.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/lint-lowercase-static-const-pattern-rename.rs')
-rw-r--r--tests/ui/lint/lint-lowercase-static-const-pattern-rename.rs63
1 files changed, 63 insertions, 0 deletions
diff --git a/tests/ui/lint/lint-lowercase-static-const-pattern-rename.rs b/tests/ui/lint/lint-lowercase-static-const-pattern-rename.rs
new file mode 100644
index 000000000..d085db43a
--- /dev/null
+++ b/tests/ui/lint/lint-lowercase-static-const-pattern-rename.rs
@@ -0,0 +1,63 @@
+// check-pass
+// Issue #7526: lowercase static constants in patterns look like bindings
+
+// This is similar to lint-lowercase-static-const-pattern.rs, except it
+// shows the expected usual workaround (choosing a different name for
+// the static definition) and also demonstrates that one can work
+// around this problem locally by renaming the constant in the `use`
+// form to an uppercase identifier that placates the lint.
+
+#![deny(non_upper_case_globals)]
+
+pub const A : isize = 97;
+
+fn f() {
+ let r = match (0,0) {
+ (0, A) => 0,
+ (x, y) => 1 + x + y,
+ };
+ assert_eq!(r, 1);
+ let r = match (0,97) {
+ (0, A) => 0,
+ (x, y) => 1 + x + y,
+ };
+ assert_eq!(r, 0);
+}
+
+mod m {
+ #[allow(non_upper_case_globals)]
+ pub const aha : isize = 7;
+}
+
+fn g() {
+ use self::m::aha as AHA;
+ let r = match (0,0) {
+ (0, AHA) => 0,
+ (x, y) => 1 + x + y,
+ };
+ assert_eq!(r, 1);
+ let r = match (0,7) {
+ (0, AHA) => 0,
+ (x, y) => 1 + x + y,
+ };
+ assert_eq!(r, 0);
+}
+
+fn h() {
+ let r = match (0,0) {
+ (0, self::m::aha) => 0,
+ (x, y) => 1 + x + y,
+ };
+ assert_eq!(r, 1);
+ let r = match (0,7) {
+ (0, self::m::aha) => 0,
+ (x, y) => 1 + x + y,
+ };
+ assert_eq!(r, 0);
+}
+
+pub fn main () {
+ f();
+ g();
+ h();
+}