chore: fine tune code and settings

.asf.yaml

@@ -42,7 +42,7 @@ github:
         contexts:
           - Required
       required_pull_request_reviews:
-        required_approving_review_count: 1
+        required_approving_review_count: 0
 
   dependabot_alerts:  true
   dependabot_updates: false

.github/workflows/ci.yml

@@ -18,9 +18,7 @@
 name: CI
 on:
   pull_request:
-    branches: [main]
-  push:
-    branches: [main]
+    branches: [ main ]
 
 # Concurrency strategy:
 #   github.workflow: distinguish this workflow from others
@@ -77,7 +75,7 @@ jobs:
     needs: msrv
     strategy:
       matrix:
-        os: [ubuntu-24.04, macos-14, windows-2022]
+        os: [ ubuntu-24.04, macos-14, windows-2022 ]
         rust-version: ${{ fromJson(needs.msrv.outputs.rust-versions) }}
     runs-on: ${{ matrix.os }}
     steps:

datasketches/src/cpc/sketch.rs

@@ -555,10 +555,7 @@ impl CpcSketch {
             .map_err(insufficient_data("seed_hash"))?;
         let is_compressed = flags & (1 << FLAG_COMPRESSED) != 0;
         if !is_compressed {
-            return Err(Error::new(
-                ErrorKind::InvalidData,
-                "only compressed sketches are supported",
-            ));
+            return Err(Error::deserial("only compressed sketches are supported"));
         }
         let has_hip = flags & (1 << FLAG_HAS_HIP) != 0;
         let has_table = flags & (1 << FLAG_HAS_TABLE) != 0;

datasketches/src/cpc/wrapper.rs

@@ -33,7 +33,6 @@ use crate::cpc::serialization::FLAG_HAS_WINDOW;
 use crate::cpc::serialization::SERIAL_VERSION;
 use crate::cpc::serialization::make_preamble_ints;
 use crate::error::Error;
-use crate::error::ErrorKind;
 
 /// A read-only view of a serialized image of a CpcSketch.
 #[derive(Debug, Clone)]
@@ -78,10 +77,7 @@ impl CpcWrapper {
         let flags = cursor.read_u8().map_err(insufficient_data("flags"))?;
         let is_compressed = flags & (1 << FLAG_COMPRESSED) != 0;
         if !is_compressed {
-            return Err(Error::new(
-                ErrorKind::InvalidData,
-                "only compressed sketches are supported",
-            ));
+            return Err(Error::deserial("only compressed sketches are supported"));
         }
         let has_hip = flags & (1 << FLAG_HAS_HIP) != 0;
         let has_table = flags & (1 << FLAG_HAS_TABLE) != 0;