Derive Default for MapWithDict, MapWithDictBitpacked, Set

* Useful in tests.

Author: gniklegnem

src/map_with_dict.rs

@@ -18,6 +18,7 @@ use wyhash::WyHash;
 use crate::mphf::{Mphf, MphfError, DEFAULT_GAMMA};
 
 /// An efficient, immutable hash map with values dictionary-packed for optimized space usage.
+#[derive(Default)]
 #[cfg_attr(feature = "rkyv_derive", derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize))]
 #[cfg_attr(feature = "rkyv_derive", archive_attr(derive(rkyv::CheckBytes)))]
 pub struct MapWithDict<K, V, const B: usize = 32, const S: usize = 8, ST = u8, H = WyHash>

src/map_with_dict_bitpacked.rs

@@ -23,6 +23,7 @@ use wyhash::WyHash;
 use crate::mphf::{Mphf, DEFAULT_GAMMA};
 
 /// An efficient, immutable hash map with bit-packed `Vec<u32>` values for optimized space usage.
+#[derive(Default)]
 #[cfg_attr(feature = "rkyv_derive", derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize))]
 #[cfg_attr(feature = "rkyv_derive", archive_attr(derive(rkyv::CheckBytes)))]
 pub struct MapWithDictBitpacked<K, const B: usize = 32, const S: usize = 8, ST = u8, H = WyHash>

src/mphf.rs

@@ -24,6 +24,7 @@ use crate::rank::{RankedBits, RankedBitsAccess};
 /// - `S`: defines maximum seed value to try (2^S) in [0..16] range, default 8.
 /// - `ST`: seed type (unsigned integer), default `u8`.
 /// - `H`: hasher used to hash keys, default `WyHash`.
+#[derive(Default)]
 #[cfg_attr(feature = "rkyv_derive", derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize))]
 #[cfg_attr(feature = "rkyv_derive", archive_attr(derive(rkyv::CheckBytes)))]
 pub struct Mphf<const B: usize = 32, const S: usize = 8, ST: PrimInt + Unsigned = u8, H: Hasher + Default = WyHash> {

src/rank.rs

@@ -54,7 +54,7 @@ pub trait RankedBitsAccess {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 #[cfg_attr(feature = "rkyv_derive", derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize))]
 #[cfg_attr(feature = "rkyv_derive", archive_attr(derive(rkyv::CheckBytes)))]
 pub struct RankedBits {

src/set.rs

@@ -21,6 +21,7 @@ use wyhash::WyHash;
 use crate::mphf::{Mphf, MphfError, DEFAULT_GAMMA};
 
 /// An efficient, immutable set.
+#[derive(Default)]
 #[cfg_attr(feature = "rkyv_derive", derive(rkyv::Archive, rkyv::Deserialize, rkyv::Serialize))]
 #[cfg_attr(feature = "rkyv_derive", archive_attr(derive(rkyv::CheckBytes)))]
 pub struct Set<K, const B: usize = 32, const S: usize = 8, ST = u8, H = WyHash>