Resolve clippy::redundant_closure

    error: redundant closure
       --> src/data_race.rs:787:18
        |
    787 |             .map(|idx| VectorIdx::new(idx))
        |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `VectorIdx::new`
        |
        = note: `-D clippy::redundant-closure` implied by `-D clippy::all`
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure

    error: redundant closure
      --> src/thread.rs:61:31
       |
    61 |         u32::try_from(id).map(|id_u32| Self(id_u32))
       |                               ^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `Self`
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure

Author: dtolnay

src/data_race.rs

@@ -784,7 +784,7 @@ impl VClockAlloc {
                     None
                 }
             })
-            .map(|idx| VectorIdx::new(idx))
+            .map(VectorIdx::new)
     }
 
     /// Report a data-race found in the program.

src/lib.rs

@@ -20,7 +20,6 @@
     clippy::manual_map,
     clippy::needless_lifetimes,
     clippy::new_without_default,
-    clippy::redundant_closure,
     clippy::redundant_field_names,
     clippy::single_char_add_str,
     clippy::single_char_pattern,

src/thread.rs

@@ -58,7 +58,7 @@ impl Idx for ThreadId {
 impl TryFrom<u64> for ThreadId {
     type Error = TryFromIntError;
     fn try_from(id: u64) -> Result<Self, Self::Error> {
-        u32::try_from(id).map(|id_u32| Self(id_u32))
+        u32::try_from(id).map(Self)
     }
 }