drop most use xxx::* except use super::*

Signed-off-by: tison <wander4096@gmail.com>

Author: tisonkun

datasketches/src/frequencies/sketch.rs

@@ -26,8 +26,12 @@ use crate::codec::assert::ensure_serial_version_is;
 use crate::codec::assert::insufficient_data;
 use crate::codec::family::Family;
 use crate::error::Error;
+use crate::frequencies::FrequentItemValue;
 use crate::frequencies::reverse_purge_item_hash_map::ReversePurgeItemHashMap;
-use crate::frequencies::serialization::*;
+use crate::frequencies::serialization::EMPTY_FLAG_MASK;
+use crate::frequencies::serialization::PREAMBLE_LONGS_EMPTY;
+use crate::frequencies::serialization::PREAMBLE_LONGS_NONEMPTY;
+use crate::frequencies::serialization::SERIAL_VERSION;
 
 type CountSerializeSize<T> = fn(&[T]) -> usize;
 type SerializeItems<T> = fn(&mut SketchBytes, &[T]);

datasketches/src/hll/hash_set.rs

@@ -29,7 +29,12 @@ use crate::hll::HllType;
 use crate::hll::KEY_MASK_26;
 use crate::hll::container::COUPON_EMPTY;
 use crate::hll::container::Container;
-use crate::hll::serialization::*;
+use crate::hll::serialization::COMPACT_FLAG_MASK;
+use crate::hll::serialization::CUR_MODE_SET;
+use crate::hll::serialization::HASH_SET_PREINTS;
+use crate::hll::serialization::SERIAL_VERSION;
+use crate::hll::serialization::SET_PREAMBLE_SIZE;
+use crate::hll::serialization::encode_mode_byte;
 
 /// Hash set for efficient coupon storage with collision handling
 #[derive(Debug, Clone, PartialEq)]

datasketches/src/hll/list.rs

@@ -27,7 +27,13 @@ use crate::error::Error;
 use crate::hll::HllType;
 use crate::hll::container::COUPON_EMPTY;
 use crate::hll::container::Container;
-use crate::hll::serialization::*;
+use crate::hll::serialization::COMPACT_FLAG_MASK;
+use crate::hll::serialization::CUR_MODE_LIST;
+use crate::hll::serialization::EMPTY_FLAG_MASK;
+use crate::hll::serialization::LIST_PREAMBLE_SIZE;
+use crate::hll::serialization::LIST_PREINTS;
+use crate::hll::serialization::SERIAL_VERSION;
+use crate::hll::serialization::encode_mode_byte;
 
 /// List for sequential coupon storage with duplicate detection
 #[derive(Debug, Clone, PartialEq)]

datasketches/src/hll/sketch.rs

@@ -39,7 +39,21 @@ use crate::hll::coupon;
 use crate::hll::hash_set::HashSet;
 use crate::hll::list::List;
 use crate::hll::mode::Mode;
-use crate::hll::serialization::*;
+use crate::hll::serialization::COMPACT_FLAG_MASK;
+use crate::hll::serialization::CUR_MODE_HLL;
+use crate::hll::serialization::CUR_MODE_LIST;
+use crate::hll::serialization::CUR_MODE_SET;
+use crate::hll::serialization::EMPTY_FLAG_MASK;
+use crate::hll::serialization::HASH_SET_PREINTS;
+use crate::hll::serialization::HLL_PREINTS;
+use crate::hll::serialization::LIST_PREINTS;
+use crate::hll::serialization::OUT_OF_ORDER_FLAG_MASK;
+use crate::hll::serialization::SERIAL_VERSION;
+use crate::hll::serialization::TGT_HLL4;
+use crate::hll::serialization::TGT_HLL6;
+use crate::hll::serialization::TGT_HLL8;
+use crate::hll::serialization::extract_cur_mode;
+use crate::hll::serialization::extract_tgt_hll_type;
 
 /// A HyperLogLog sketch.
 ///

datasketches/src/tdigest/sketch.rs

@@ -26,7 +26,14 @@ use crate::codec::assert::ensure_serial_version_is;
 use crate::codec::assert::insufficient_data;
 use crate::codec::family::Family;
 use crate::error::Error;
-use crate::tdigest::serialization::*;
+use crate::tdigest::serialization::COMPAT_DOUBLE;
+use crate::tdigest::serialization::COMPAT_FLOAT;
+use crate::tdigest::serialization::FLAGS_IS_EMPTY;
+use crate::tdigest::serialization::FLAGS_IS_SINGLE_VALUE;
+use crate::tdigest::serialization::FLAGS_REVERSE_MERGE;
+use crate::tdigest::serialization::PREAMBLE_LONGS_EMPTY_OR_SINGLE;
+use crate::tdigest::serialization::PREAMBLE_LONGS_MULTIPLE;
+use crate::tdigest::serialization::SERIAL_VERSION;
 
 /// The default value of K if one is not specified.
 const DEFAULT_K: u16 = 200;