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-rw-r--r--tests/ui/feature-gates/feature-gate-box_patterns.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/ui/feature-gates/feature-gate-box_patterns.rs b/tests/ui/feature-gates/feature-gate-box_patterns.rs
new file mode 100644
index 000000000..8bec16a97
--- /dev/null
+++ b/tests/ui/feature-gates/feature-gate-box_patterns.rs
@@ -0,0 +1,4 @@
+fn main() {
+ let box x = Box::new('c'); //~ ERROR box pattern syntax is experimental
+ println!("x: {}", x);
+}