coverage: Remove a useless let () =

Zalathar · Zalathar · commit cad50f40e54f · 2023-08-20T12:02:40.000+10:00
diff --git a/compiler/rustc_mir_transform/src/coverage/tests.rs b/compiler/rustc_mir_transform/src/coverage/tests.rs
@@ -676,7 +676,7 @@ fn test_make_bcb_counters() {
             }
         }
         let mut coverage_counters = counters::CoverageCounters::new(0, &basic_coverage_blocks);
-        let () = coverage_counters
+        coverage_counters
             .make_bcb_counters(&mut basic_coverage_blocks, &coverage_spans)
             .expect("should be Ok");
         assert_eq!(coverage_counters.intermediate_expressions.len(), 0);

Original file line number	Diff line number	Diff line change
`@@ -676,7 +676,7 @@ fn test_make_bcb_counters() {`
`676`	`676`	`}`
`677`	`677`	`}`
`678`	`678`	`let mut coverage_counters = counters::CoverageCounters::new(0, &basic_coverage_blocks);`
`679`		`- let () = coverage_counters`
	`679`	`+ coverage_counters`
`680`	`680`	`.make_bcb_counters(&mut basic_coverage_blocks, &coverage_spans)`
`681`	`681`	`.expect("should be Ok");`
`682`	`682`	`assert_eq!(coverage_counters.intermediate_expressions.len(), 0);`