lib/scanner: clippy lints

src/scanner/mod.rs

@@ -1182,8 +1182,10 @@ where
 /// yaml.org/spec/1.2/spec.html#ns-plain-safe(c)
 fn is_plain_safe_c(base: &str, offset: usize, block_context: bool) -> bool
 {
-    block_context
-        || ((!block_context) && (!check!(~base, offset => b',' | b'[' | b']' | b'{' | b'}')))
+    let flow_context = !block_context;
+    let not_flow_indicator = !check!(~base, offset => b',' | b'[' | b']' | b'{' | b'}');
+
+    block_context || (flow_context && not_flow_indicator)
 }
 
 /// Vessel for tracking various stats about the underlying

src/scanner/scalar/plain.rs

@@ -167,8 +167,8 @@ pub(in crate::scanner) fn scan_plain_scalar<'de>(
             1 =>
             {
                 // Note that we reset whitespace to zero here, so that the
-                // post loop truncate doesn't
-                // remove characters we've already removed here
+                // post loop truncate doesn't remove characters we've
+                // already removed here
                 scratch.truncate(scratch.len() - whitespace);
                 whitespace = 0;
 
@@ -182,7 +182,7 @@ pub(in crate::scanner) fn scan_plain_scalar<'de>(
                 // scratch space.
                 scratch.truncate(scratch.len() - whitespace);
                 whitespace = 0;
-                lines = lines - 1;
+                lines -= 1;
 
                 // Safety: we can only reach this branch if lines > 1
                 for _ in 0..lines