Add some common derived traits (#197)

librocksdb_sys/src/lib.rs

@@ -13,10 +13,10 @@
 // limitations under the License.
 //
 
+extern crate bzip2_sys;
 extern crate libc;
 #[cfg(test)]
 extern crate tempdir;
-extern crate bzip2_sys;
 
 use libc::{c_char, c_double, c_int, c_uchar, c_void, size_t, uint32_t, uint64_t, uint8_t};
 use std::ffi::CStr;
@@ -80,7 +80,7 @@ pub fn new_cache(
     unsafe { crocksdb_cache_create_lru(capacity, shard_bits, capacity_limit, pri_ratio) }
 }
 
-#[derive(PartialEq, Eq, Clone, Copy, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBEntryType {
     Put = 0,
@@ -90,7 +90,7 @@ pub enum DBEntryType {
     Other = 4,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBCompressionType {
     No = 0,
@@ -105,7 +105,7 @@ pub enum DBCompressionType {
     Disable = 0xff,
 }
 
-#[derive(Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBCompactionStyle {
     Level = 0,
@@ -114,14 +114,14 @@ pub enum DBCompactionStyle {
     None = 3,
 }
 
-#[derive(Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBUniversalCompactionStyle {
     SimilarSize = 0,
     TotalSize = 1,
 }
 
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBRecoveryMode {
     TolerateCorruptedTailRecords = 0,
@@ -130,7 +130,7 @@ pub enum DBRecoveryMode {
     SkipAnyCorruptedRecords = 3,
 }
 
-#[derive(Copy, Clone, PartialEq, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum CompactionPriority {
     // In Level-based compaction, it Determines which file from a level to be
@@ -150,7 +150,7 @@ pub enum CompactionPriority {
     MinOverlappingRatio = 3,
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBStatisticsTickerType {
     BlockCacheMiss = 0, // total block cache miss
@@ -221,7 +221,7 @@ pub enum DBStatisticsTickerType {
     ReadAmpTotalReadBytes = 92,      // total size of loaded data blocks
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBStatisticsHistogramType {
     GetMicros = 0,
@@ -257,7 +257,7 @@ pub enum DBStatisticsHistogramType {
     ReadNumMergeOperands = 30,
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBInfoLogLevel {
     Debug = 0,
@@ -269,7 +269,7 @@ pub enum DBInfoLogLevel {
     NumInfoLog = 6,
 }
 
-#[derive(Copy, Clone, Eq, PartialEq, Debug)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
 #[repr(C)]
 pub enum DBTableProperty {
     DataSize = 1,