clippy: Fix len_zero warnings (#31935)

4 files changed, 5 insertions, 5 deletions

diff --git a/components/script/dom/bindings/str.rs b/components/script/dom/bindings/str.rs
index 6d7b17021e4..63866eb6bf4 100644
--- a/components/script/dom/bindings/str.rs
+++ b/components/script/dom/bindings/str.rs
@@ -222,7 +222,7 @@ impl DOMString {
     /// Removes leading and trailing ASCII whitespaces according to
     /// <https://infra.spec.whatwg.org/#strip-leading-and-trailing-ascii-whitespace>.
     pub fn strip_leading_and_trailing_ascii_whitespace(&mut self) {
-        if self.0.len() == 0 {
+        if self.0.is_empty() {
             return;
         }
 
diff --git a/components/script/dom/htmlinputelement.rs b/components/script/dom/htmlinputelement.rs
index 99b2d30dd3b..b5abb5c7578 100755
--- a/components/script/dom/htmlinputelement.rs
+++ b/components/script/dom/htmlinputelement.rs
@@ -1881,7 +1881,7 @@ impl HTMLInputElement {
         } else {
             let opt_test_path = match opt_test_paths {
                 Some(paths) => {
-                    if paths.len() == 0 {
+                    if paths.is_empty() {
                         return;
                     } else {
                         Some(paths[0].to_string()) // neglect other paths
diff --git a/components/script/dom/performance.rs b/components/script/dom/performance.rs
index 93d47634cd5..e04d623346c 100644
--- a/components/script/dom/performance.rs
+++ b/components/script/dom/performance.rs
@@ -213,7 +213,7 @@ impl Performance {
             let buffer = self.buffer.borrow();
             let mut new_entries =
                 buffer.get_entries_by_name_and_type(None, Some(entry_type.clone()));
-            if new_entries.len() > 0 {
+            if !new_entries.is_empty() {
                 let mut obs_entries = observer.entries();
                 obs_entries.append(&mut new_entries);
                 observer.set_entries(obs_entries);
@@ -408,7 +408,7 @@ impl PerformanceMethods for Performance {
     // https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html#performance-timing-attribute
     fn Timing(&self) -> DomRoot<PerformanceNavigationTiming> {
         let entries = self.GetEntriesByType(DOMString::from("navigation"));
-        if entries.len() > 0 {
+        if !entries.is_empty() {
             return DomRoot::from_ref(
                 entries[0]
                     .downcast::<PerformanceNavigationTiming>()
diff --git a/components/script/dom/webglrenderingcontext.rs b/components/script/dom/webglrenderingcontext.rs
index 228d4eef61b..91c98e87f6f 100644
--- a/components/script/dom/webglrenderingcontext.rs
+++ b/components/script/dom/webglrenderingcontext.rs
@@ -4136,7 +4136,7 @@ impl WebGLRenderingContextMethods for WebGLRenderingContext {
             Float32ArrayOrUnrestrictedFloatSequence::Float32Array(v) => v.to_vec(),
             Float32ArrayOrUnrestrictedFloatSequence::UnrestrictedFloatSequence(v) => v,
         };
-        if values.len() < 1 {
+        if values.is_empty() {
             // https://github.com/KhronosGroup/WebGL/issues/2700
             return self.webgl_error(InvalidValue);
         }