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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/macros/macro-shadowing.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/macros/macro-shadowing.rs')
-rw-r--r--tests/ui/macros/macro-shadowing.rs26
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/macros/macro-shadowing.rs b/tests/ui/macros/macro-shadowing.rs
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index 00000000000..7f956dd7d10
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+++ b/tests/ui/macros/macro-shadowing.rs
@@ -0,0 +1,26 @@
+// aux-build:two_macros.rs
+
+#![allow(unused_macros)]
+
+macro_rules! foo { () => {} }
+macro_rules! macro_one { () => {} }
+#[macro_use(macro_two)] extern crate two_macros;
+
+macro_rules! m1 { () => {
+    macro_rules! foo { () => {} }
+
+    #[macro_use] //~ ERROR `macro_two` is already in scope
+    extern crate two_macros as __;
+}}
+m1!();
+
+foo!(); //~ ERROR `foo` is ambiguous
+
+macro_rules! m2 { () => {
+    macro_rules! foo { () => {} }
+    foo!();
+}}
+m2!();
+//^ Since `foo` is not used outside this expansion, it is not a shadowing error.
+
+fn main() {}