Lint: Use is_empty().

  - https://rust-lang.github.io/rust-clippy/master/index.html#len_zero

  - https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty

1 files changed, 1 insertions, 1 deletions

diff --git a/net/src/wkd.rs b/net/src/wkd.rs
index cc14613c..50f32206 100644
--- a/net/src/wkd.rs
+++ b/net/src/wkd.rs
@@ -364,7 +364,7 @@ pub fn insert<P, S, V>(base_path: P, domain: S, variant: V,
     }).collect::<Vec<_>>();
 
     // Any?
-    if addresses.len() == 0 {
+    if addresses.is_empty() {
         return Err(openpgp::Error::InvalidArgument(
             format!("Key {} does not have a UserID in {}", cert, domain)
         ).into());