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-rw-r--r--tests/ui/rfcs/rfc-2294-if-let-guard/partially-macro-expanded.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2294-if-let-guard/partially-macro-expanded.rs b/tests/ui/rfcs/rfc-2294-if-let-guard/partially-macro-expanded.rs
new file mode 100644
index 000000000..d91b3a358
--- /dev/null
+++ b/tests/ui/rfcs/rfc-2294-if-let-guard/partially-macro-expanded.rs
@@ -0,0 +1,18 @@
+// Macros can be used for (parts of) the pattern and expression in an if let guard
+// check-pass
+
+#![feature(if_let_guard)]
+#![feature(let_chains)]
+
+macro_rules! m {
+ (pattern $i:ident) => { Some($i) };
+ (expression $e:expr) => { $e };
+}
+
+fn main() {
+ match () {
+ () if let m!(pattern x) = m!(expression Some(4)) => {}
+ () if let [m!(pattern y)] = [Some(8 + m!(expression 4))] => {}
+ _ => {}
+ }
+}