Simplify how to create a vector of cloned values

Instead of this:

    something.iter().cloned().collect()

do this:

    something.to_vec()

It's shorter, simpler, and more to the point, and thus easier to
understand.

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

1 files changed, 1 insertions, 1 deletions

diff --git a/ipc/src/sexp.rs b/ipc/src/sexp.rs
index 2290b615..a362232b 100644
--- a/ipc/src/sexp.rs
+++ b/ipc/src/sexp.rs
@@ -245,7 +245,7 @@ impl Sexp {
             Sexp::List(ref ll) => match ll.get(0) {
                 Some(Sexp::String(ref tag)) =>
                     if tag.deref() == key {
-                        Ok(Some(ll[1..].iter().cloned().collect()))
+                        Ok(Some(ll[1..].to_vec()))
                     } else {
                         Ok(None)
                     }