fmt

src/librustc_middle/mir/interpret/mod.rs

@@ -172,11 +172,7 @@ pub struct AllocId(pub u64);
 // all the Miri types.
 impl fmt::Debug for AllocId {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        if f.alternate() {
-            write!(f, "a{}", self.0)
-        } else {
-            write!(f, "alloc{}", self.0)
-        }
+        if f.alternate() { write!(f, "a{}", self.0) } else { write!(f, "alloc{}", self.0) }
     }
 }
 

src/librustc_mir/util/pretty.rs

@@ -1,6 +1,6 @@
 use std::collections::BTreeSet;
-use std::fmt::{Debug, Display};
 use std::fmt::Write as _;
+use std::fmt::{Debug, Display};
 use std::fs;
 use std::io::{self, Write};
 use std::path::{Path, PathBuf};