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

2 files changed, 3 insertions, 3 deletions

diff --git a/sqv/build.rs b/sqv/build.rs
index d638eea5..fceb4d55 100644
--- a/sqv/build.rs
+++ b/sqv/build.rs
@@ -66,7 +66,7 @@ fn dump_help(sink: &mut dyn io::Write,
 
     writeln!(sink, "//! ```text")?;
     for line in help.trim_end().split("\n").skip(1) {
-        if line == "" {
+        if line.is_empty() {
             writeln!(sink, "//!")?;
         } else {
             writeln!(sink, "//! {}", line.trim_end())?;
diff --git a/sqv/src/sqv.rs b/sqv/src/sqv.rs
index 2ba9765a..a9828ee0 100644
--- a/sqv/src/sqv.rs
+++ b/sqv/src/sqv.rs
@@ -98,7 +98,7 @@ impl<'a> VerificationHelper for VHelper<'a> {
         let (certs, errs) = certs.into_iter().fold(
             (Vec::with_capacity(count), Vec::new()),
             |(mut certs, mut errs), a| {
-                if certs.len() == 0 {
+                if certs.is_empty() {
                     certs.push(a);
                 } else if certs[certs.len() - 1].fingerprint() == a.fingerprint() {
                     // Merge `a` into the last element.
@@ -113,7 +113,7 @@ impl<'a> VerificationHelper for VHelper<'a> {
                 (certs, errs)
             });
 
-        if errs.len() > 0 {
+        if !errs.is_empty() {
             eprintln!("Error merging duplicate keys:");
             for err in errs.iter() {
                 eprintln!("  {}", err);