Use std::mem::take instead of std::mem::replace, for clarity.

  - Replace

        let bar = std::mem::replace(&foo, Default::Default());

    with

        let bar = std::mem::take(&foo);

    The new version seems a little clearer.

  - Found by clippy:
    https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_with_default

1 files changed, 2 insertions, 2 deletions

diff --git a/openpgp/src/policy/cutofflist.rs b/openpgp/src/policy/cutofflist.rs
index 98d4af78..d21d83a5 100644
--- a/openpgp/src/policy/cutofflist.rs
+++ b/openpgp/src/policy/cutofflist.rs
@@ -1,5 +1,5 @@
 use std::fmt;
-use std::mem;
+
 use std::ops::{Index, IndexMut};
 
 use crate::{
@@ -51,7 +51,7 @@ impl<'a, T> VecOrSlice<'a, T> {
         where T: Clone
     {
         let mut v : Vec<T> = match self {
-            VecOrSlice::Vec(ref mut v) => mem::replace(v, Vec::new()),
+            VecOrSlice::Vec(ref mut v) => std::mem::take(v),
             VecOrSlice::Slice(s) => s.to_vec(),
             VecOrSlice::Empty() => Vec::with_capacity(size),
         };