Fixed warnings

src/operator/interface/distributed_array_vector_space.rs

@@ -74,8 +74,8 @@ impl<'a, C: Communicator, Item: RlstScalar + Equivalence> LinearSpace
     }
 }
 
-impl<'a, C: Communicator, Item: RlstScalar + Equivalence> InnerProductSpace
-    for DistributedArrayVectorSpace<'a, C, Item>
+impl<C: Communicator, Item: RlstScalar + Equivalence> InnerProductSpace
+    for DistributedArrayVectorSpace<'_, C, Item>
 {
     fn inner(&self, x: &Self::E, other: &Self::E) -> Self::F {
         x.view().inner(other.view())
@@ -130,7 +130,7 @@ impl<'a, C: Communicator, Item: RlstScalar + Equivalence> Element
     }
 }
 
-impl<'a, C: Communicator, Item: RlstScalar + Equivalence> Clone
+impl<C: Communicator, Item: RlstScalar + Equivalence> Clone
     for DistributedArrayVectorSpaceElement<'_, C, Item>
 {
     fn clone(&self) -> Self {

src/operator/interface/distributed_sparse_operator.rs

@@ -1,7 +1,6 @@
 //! Distributed sparse operator
 use std::rc::Rc;
 
-use bempp_distributed_tools::IndexLayout;
 use mpi::traits::{Communicator, Equivalence};
 
 use crate::dense::traits::Shape;
@@ -23,8 +22,8 @@ pub struct DistributedCsrMatrixOperatorImpl<'a, Item: RlstScalar + Equivalence,
     range: Rc<DistributedArrayVectorSpace<'a, C, Item>>,
 }
 
-impl<'a, Item: RlstScalar + Equivalence, C: Communicator> std::fmt::Debug
-    for DistributedCsrMatrixOperatorImpl<'a, Item, C>
+impl<Item: RlstScalar + Equivalence, C: Communicator> std::fmt::Debug
+    for DistributedCsrMatrixOperatorImpl<'_, Item, C>
 {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         f.debug_struct("DistributedCsrMatrixOperator")
@@ -79,8 +78,8 @@ impl<'a, Item: RlstScalar + Equivalence, C: Communicator> OperatorBase
     }
 }
 
-impl<'a, Item: RlstScalar + Equivalence, C: Communicator> AsApply
-    for DistributedCsrMatrixOperatorImpl<'a, Item, C>
+impl<Item: RlstScalar + Equivalence, C: Communicator> AsApply
+    for DistributedCsrMatrixOperatorImpl<'_, Item, C>
 {
     fn apply_extended(
         &self,

src/operator/space/frame.rs

@@ -1,7 +1,5 @@
 //! A frame is a collection of elements of a space.
 
-use std::marker::PhantomData;
-
 use crate::operator::Element;
 
 /// A frame is a collection of elements of a space.
@@ -48,20 +46,20 @@ pub struct VectorFrame<Elem: Element> {
     data: Vec<Elem>,
 }
 
-impl<'a, Elem: Element> VectorFrame<Elem> {
+impl<Elem: Element> VectorFrame<Elem> {
     /// Create a new vector frame
     pub fn new() -> Self {
         Self { data: Vec::new() }
     }
 }
 
-impl<'a, Elem: Element> Default for VectorFrame<Elem> {
+impl<Elem: Element> Default for VectorFrame<Elem> {
     fn default() -> Self {
         Self::new()
     }
 }
 
-impl<'a, Elem: Element> Frame for VectorFrame<Elem> {
+impl<Elem: Element> Frame for VectorFrame<Elem> {
     type E = Elem;
 
     type Iter<'iter>

src/sparse/distributed_vector.rs

@@ -1,6 +1,5 @@
 //! An Indexable Vector is a container whose elements can be 1d indexed.
 use std::cell::{Ref, RefCell, RefMut};
-use std::ops::Index;
 use std::rc::Rc;
 
 use bempp_distributed_tools::IndexLayout;

src/sparse/sparse_mat/distributed_csr_mat.rs

@@ -1,7 +1,6 @@
 //! Definition of CSR matrices.
 
 use std::collections::HashMap;
-use std::ops::Index;
 use std::rc::Rc;
 
 use crate::sparse::sparse_mat::csr_mat::CsrMatrix;
@@ -437,7 +436,7 @@ impl<'a, T: RlstScalar + Equivalence, C: Communicator> DistributedCsrMatrix<'a,
     }
 }
 
-impl<'a, T: RlstScalar + Equivalence, C: Communicator> Shape<2> for DistributedCsrMatrix<'a, T, C> {
+impl<T: RlstScalar + Equivalence, C: Communicator> Shape<2> for DistributedCsrMatrix<'_, T, C> {
     fn shape(&self) -> [usize; 2] {
         [
             self.range_layout().number_of_global_indices(),

tests/operator.rs

@@ -1,7 +1,5 @@
 //! Tests for the operator interface
 
-use std::rc::Rc;
-
 use num::traits::{One, Zero};
 use rand::Rng;
 use rlst::{operator::Operator, prelude::*};