Resolve clippy::needless_lifetimes

    error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
      --> src/range_map.rs:66:5
       |
    66 |     pub fn iter<'a>(&'a self, offset: Size, len: Size) -> impl Iterator<Item = (Size, &'a T)> + 'a {
       |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       |
       = note: `-D clippy::needless-lifetimes` implied by `-D clippy::all`
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes

    error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
      --> src/range_map.rs:86:5
       |
    86 |     pub fn iter_mut_all<'a>(&'a mut self) -> impl Iterator<Item = &'a mut T> + 'a {
       |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes

    error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
       --> src/range_map.rs:122:5
        |
    122 | /     pub fn iter_mut<'a>(
    123 | |         &'a mut self,
    124 | |         offset: Size,
    125 | |         len: Size,
    126 | |     ) -> impl Iterator<Item = (Size, &'a mut T)> + 'a
        | |_____________________________________________________^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes

    error: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
        --> src/shims/intrinsics.rs:1391:1
         |
    1391 | fn simd_element_to_bool<'tcx>(elem: ImmTy<'tcx, Tag>) -> InterpResult<'tcx, bool> {
         | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes

Author: dtolnay

src/range_map.rs

@@ -63,7 +63,7 @@ impl<T> RangeMap<T> {
     /// through interior mutability.
     ///
     /// The iterator also provides the offset of the given element.
-    pub fn iter<'a>(&'a self, offset: Size, len: Size) -> impl Iterator<Item = (Size, &'a T)> + 'a {
+    pub fn iter(&self, offset: Size, len: Size) -> impl Iterator<Item = (Size, &T)> {
         let offset = offset.bytes();
         let len = len.bytes();
         // Compute a slice starting with the elements we care about.
@@ -83,7 +83,7 @@ impl<T> RangeMap<T> {
             .map(|elem| (Size::from_bytes(elem.range.start), &elem.data))
     }
 
-    pub fn iter_mut_all<'a>(&'a mut self) -> impl Iterator<Item = &'a mut T> + 'a {
+    pub fn iter_mut_all(&mut self) -> impl Iterator<Item = &mut T> {
         self.v.iter_mut().map(|elem| &mut elem.data)
     }
 
@@ -119,11 +119,7 @@ impl<T> RangeMap<T> {
     /// Moreover, this will opportunistically merge neighbouring equal blocks.
     ///
     /// The iterator also provides the offset of the given element.
-    pub fn iter_mut<'a>(
-        &'a mut self,
-        offset: Size,
-        len: Size,
-    ) -> impl Iterator<Item = (Size, &'a mut T)> + 'a
+    pub fn iter_mut(&mut self, offset: Size, len: Size) -> impl Iterator<Item = (Size, &mut T)>
     where
         T: Clone + PartialEq,
     {