feat!: Use hashbrown

Author: lu-zero

Cargo.toml

@@ -9,10 +9,11 @@ keywords = ["wot", "WebofThings"]
 
 [features]
 default = ["std"]
-std = ["serde/std", "serde_json/std", "serde_with/std", "time/std", "oxilangtag/std"]
-alloc = ["serde/alloc", "serde_json/alloc", "serde_with/alloc", "time/alloc", "oxilangtag/alloc"]
+std = ["serde/std", "serde_json/std", "serde_with/std", "time/std", "oxilangtag/std", "hashbrown/allocator-api2"]
+alloc = ["serde/alloc", "serde_json/alloc", "serde_with/alloc", "time/alloc", "oxilangtag/alloc", "hashbrown/allocator-api2"]
 
 [dependencies]
+hashbrown = { version = "0.15.1", default-features = false, features = ["core", "serde", "default-hasher", "inline-more", "equivalent"] }
 oxilangtag = { version = "0.1.5", features = ["serialize"], default-features = false }
 serde = { version = "1.0.137", features = ["derive"], default-features = false }
 serde_json = { version = "1.0.81", default-features = false }

deny.toml

@@ -8,4 +8,4 @@ multiple-versions = "deny"
 version = 2
 # We want really high confidence when inferring licenses from text
 confidence-threshold = 0.93
-allow = ["Apache-2.0", "MIT", "Unicode-DFS-2016"]
+allow = ["Apache-2.0", "MIT", "Unicode-DFS-2016", "Zlib", "Unicode-3.0"]

src/builder.rs

@@ -206,8 +206,9 @@ pub mod affordance;
 pub mod data_schema;
 mod human_readable_info;
 
-use std::{collections::HashMap, fmt, marker::PhantomData, ops::Not};
+use std::{fmt, marker::PhantomData, ops::Not};
 
+use hashbrown::{hash_map::Entry, HashMap};
 use oxilangtag::LanguageTag;
 use serde_json::Value;
 use time::OffsetDateTime;
@@ -759,8 +760,6 @@ impl<Other: ExtendableThing, Status> ThingBuilder<Other, Status> {
     ///
     /// This step will perform the final validation of the builder state.
     pub fn build(self) -> Result<Thing<Other>, Error> {
-        use std::collections::hash_map::Entry;
-
         let Self {
             context,
             id,
@@ -1696,8 +1695,6 @@ where
     A: BuildableAffordance<Target = T>,
     H: Fn(FormOperation) -> bool,
 {
-    use std::collections::hash_map::Entry;
-
     affordances
         .is_empty()
         .not()

src/builder/affordance.rs

@@ -5,8 +5,9 @@
 //!
 //! See the examples related to the specific affordance bulders for more information.
 
-use std::{collections::HashMap, ops::Not};
+use std::ops::Not;
 
+use hashbrown::HashMap;
 use serde_json::Value;
 
 use crate::{

src/builder/data_schema.rs

@@ -39,7 +39,9 @@
 //! [`finish_extend`]: DataSchemaBuilder::finish_extend
 //! [`read_only`]: crate::thing::DataSchema::read_only
 //! [`write_only`]: crate::thing::DataSchema::write_only
-use std::{cmp::Ordering, collections::HashMap, marker::PhantomData, num::NonZeroU64, ops::Not};
+use std::{cmp::Ordering, marker::PhantomData, num::NonZeroU64, ops::Not};
+
+use hashbrown::HashMap;
 
 use crate::{
     extend::{Extend, Extendable, ExtendableThing},

src/thing.rs

@@ -10,11 +10,11 @@
 use std::{
     borrow::Cow,
     cmp::{self, Ordering},
-    collections::HashMap,
     fmt,
     num::NonZeroU64,
 };
 
+use hashbrown::HashMap;
 use oxilangtag::LanguageTag;
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 use serde_json::Value;