Rollup merge of #90132 - joshtriplett:stabilize-instrument-coverage, r=wesleywiser

[rust.git] / compiler / rustc_mir_transform / src / coverage / graph.rs

diff --git a/compiler/rustc_mir_transform/src/coverage/graph.rs b/compiler/rustc_mir_transform/src/coverage/graph.rs
index f7cd95785ea8df7886283ad1a0bcfb0b192c5b80..57862b6628d2310819005e408cd8f79bfd073eb8 100644 (file)
--- a/compiler/rustc_mir_transform/src/coverage/graph.rs
+++ b/compiler/rustc_mir_transform/src/coverage/graph.rs
@@ -1,5 +1,6 @@
 use super::Error;
 
+use itertools::Itertools;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::graph::dominators::{self, Dominators};
 use rustc_data_structures::graph::{self, GraphSuccessors, WithNumNodes, WithStartNode};
@@ -422,14 +423,7 @@ pub fn take_edge_counters(
     }
 
     pub fn id(&self) -> String {
-        format!(
-            "@{}",
-            self.basic_blocks
-                .iter()
-                .map(|bb| bb.index().to_string())
-                .collect::<Vec<_>>()
-                .join(ID_SEPARATOR)
-        )
+        format!("@{}", self.basic_blocks.iter().map(|bb| bb.index().to_string()).join(ID_SEPARATOR))
     }
 }