wip

Author: lengyijun

tests/ui/pathbuf_init_then_push.fixed

@@ -10,6 +10,8 @@ fn main() {
     let bar = "bar";
     path_buf = PathBuf::from("foo").join(bar);
 
+    let mut path_buf = PathBuf::from("foo").join("bar").join("buz");
+
     let mut x = PathBuf::new();
     println!("{}", x.display());
     x.push("Duck");

tests/ui/pathbuf_init_then_push.rs

@@ -13,6 +13,9 @@ fn main() {
     path_buf = PathBuf::from("foo");
     path_buf.push(bar);
 
+    let mut path_buf = PathBuf::from("foo").join("bar");
+    path_buf.push("buz");
+
     let mut x = PathBuf::new();
     println!("{}", x.display());
     x.push("Duck");

tests/ui/pathbuf_init_then_push.stderr

@@ -22,5 +22,12 @@ LL | /     path_buf = PathBuf::from("foo");
 LL | |     path_buf.push(bar);
    | |_______________________^ help: consider using the `.join()`: `path_buf = PathBuf::from("foo").join(bar);`
 
-error: aborting due to 3 previous errors
+error: calls to `push` immediately after creation
+  --> tests/ui/pathbuf_init_then_push.rs:16:5
+   |
+LL | /     let mut path_buf = PathBuf::from("foo").join("bar");
+LL | |     path_buf.push("buz");
+   | |_________________________^ help: consider using the `.join()`: `let mut path_buf = PathBuf::from("foo").join("bar").join("buz");`
+
+error: aborting due to 4 previous errors