Rust: Add type inference test with range full expression

Author: paldepind

rust/ql/test/library-tests/type-inference/main.rs

@@ -2332,6 +2332,8 @@ mod loops {
         for u in [0u8..10] {} // $ type=u:Range type=u:Idx.u8
         let range = 0..10; // $ type=range:Range type=range:Idx.i32
         for i in range {} // $ type=i:i32
+        let range_full = ..; // $ MISSING: type=range_full:RangeFull
+        for i in &[1i64, 2i64, 3i64][range_full] {} // $ target=index MISSING: type=i:&T.i64
 
         let range1 = // $ type=range1:Range type=range1:Idx.u16
         std::ops::Range {
@@ -2558,25 +2560,23 @@ pub mod exec {
 pub mod path_buf {
     // a highly simplified model of `PathBuf::canonicalize`
 
-    pub struct Path {
-    }
+    pub struct Path {}
 
     impl Path {
         pub const fn new() -> Path {
-            Path { }
+            Path {}
         }
 
         pub fn canonicalize(&self) -> Result<PathBuf, ()> {
             Ok(PathBuf::new()) // $ target=new
         }
     }
 
-    pub struct PathBuf {
-    }
+    pub struct PathBuf {}
 
     impl PathBuf {
         pub const fn new() -> PathBuf {
-            PathBuf { }
+            PathBuf {}
         }
     }
 
@@ -2587,7 +2587,7 @@ pub mod path_buf {
         #[inline]
         fn deref(&self) -> &Path {
             // (very much not a real implementation)
-            static path : Path = Path::new(); // $ target=new
+            static path: Path = Path::new(); // $ target=new
             &path
         }
     }