about summary refs log tree commit diff
path: root/src/test/ui/inference/tutorial-suffix-inference-test.rs
diff options
context:
space:
mode:
authorCaio <c410.f3r@gmail.com>2021-11-18 12:09:34 -0300
committerCaio <c410.f3r@gmail.com>2021-11-18 12:09:34 -0300
commit41d9abd76cd514aca23e3409fe6896a3a7d61d1a (patch)
treeaff7d6c42e88201c903006083095106fd082f16b /src/test/ui/inference/tutorial-suffix-inference-test.rs
parent6414e0b5b308d3ae27da83c6a25098cc8aadc1a9 (diff)
downloadrust-41d9abd76cd514aca23e3409fe6896a3a7d61d1a.tar.gz
rust-41d9abd76cd514aca23e3409fe6896a3a7d61d1a.zip
Move some tests to more reasonable directories
Diffstat (limited to 'src/test/ui/inference/tutorial-suffix-inference-test.rs')
-rw-r--r--src/test/ui/inference/tutorial-suffix-inference-test.rs24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/inference/tutorial-suffix-inference-test.rs b/src/test/ui/inference/tutorial-suffix-inference-test.rs
new file mode 100644
index 00000000000..849adfd5368
--- /dev/null
+++ b/src/test/ui/inference/tutorial-suffix-inference-test.rs
@@ -0,0 +1,24 @@
+fn main() {
+    let x = 3;
+    let y: i32 = 3;
+
+    fn identity_u8(n: u8) -> u8 { n }
+    fn identity_u16(n: u16) -> u16 { n }
+
+    identity_u8(x);  // after this, `x` is assumed to have type `u8`
+    identity_u16(x);
+    //~^ ERROR mismatched types
+    //~| expected `u16`, found `u8`
+    identity_u16(y);
+    //~^ ERROR mismatched types
+    //~| expected `u16`, found `i32`
+
+    let a = 3;
+
+    fn identity_i(n: isize) -> isize { n }
+
+    identity_i(a); // ok
+    identity_u16(a);
+    //~^ ERROR mismatched types
+    //~| expected `u16`, found `isize`
+}