Use .find() in an iterator

Instead of

    iter().filter(|x| pred(x)).next()

use this:

    iter().find(|x| pred(x))

This is more to the point, and thus easier to understand.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/sq/src/commands/key.rs b/sq/src/commands/key.rs
index a6562ef5..fc1c5a85 100644
--- a/sq/src/commands/key.rs
+++ b/sq/src/commands/key.rs
@@ -420,12 +420,11 @@ fn adopt(config: Config, m: &ArgMatches) -> Result<()> {
                 .into_keypair()?;
 
             let backsig = builder.embedded_signatures()
-                .filter(|backsig| {
+                .find(|backsig| {
                     (*backsig).clone().verify_primary_key_binding(
                         &cert.primary_key(),
                         &key).is_ok()
                 })
-                .next()
                 .map(|sig| SignatureBuilder::from(sig.clone()))
                 .unwrap_or_else(|| {
                     SignatureBuilder::new(SignatureType::PrimaryKeyBinding)