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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/expr/if/if-let.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/expr/if/if-let.rs')
-rw-r--r--tests/ui/expr/if/if-let.rs49
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/ui/expr/if/if-let.rs b/tests/ui/expr/if/if-let.rs
new file mode 100644
index 00000000000..7fdd2be955b
--- /dev/null
+++ b/tests/ui/expr/if/if-let.rs
@@ -0,0 +1,49 @@
+// check-pass
+
+fn macros() {
+    macro_rules! foo {
+        ($p:pat, $e:expr, $b:block) => {{
+            if let $p = $e $b
+            //~^ WARN irrefutable `if let`
+            //~| WARN irrefutable `if let`
+        }}
+    }
+    macro_rules! bar{
+        ($p:pat, $e:expr, $b:block) => {{
+            foo!($p, $e, $b)
+        }}
+    }
+
+    foo!(a, 1, {
+        println!("irrefutable pattern");
+    });
+    bar!(a, 1, {
+        println!("irrefutable pattern");
+    });
+}
+
+pub fn main() {
+    if let a = 1 { //~ WARN irrefutable `if let`
+        println!("irrefutable pattern");
+    }
+
+    if let a = 1 { //~ WARN irrefutable `if let`
+        println!("irrefutable pattern");
+    } else if true {
+        println!("else-if in irrefutable `if let`");
+    } else {
+        println!("else in irrefutable `if let`");
+    }
+
+    if let 1 = 2 {
+        println!("refutable pattern");
+    } else if let a = 1 { //~ WARN irrefutable `if let`
+        println!("irrefutable pattern");
+    }
+
+    if true {
+        println!("if");
+    } else if let a = 1 { //~ WARN irrefutable `if let`
+        println!("irrefutable pattern");
+    }
+}