Use ahash as default hasher.

Cargo.toml

@@ -24,7 +24,7 @@ categories = [ "no-std", "embedded", "wasm", "parser-implementations" ]
 
 [dependencies]
 smallvec = { version = "1.4", default-features = false }
-fxhash = { version = "0.2" }
+ahash = { version = "0.3.2", default-features = false, features = ["compile-time-rng"] }
 rhai_codegen = { version = "0.3", path = "codegen" }
 
 [features]
@@ -46,7 +46,7 @@ unicode-xid-ident = ["unicode-xid"] # allow Unicode Standard Annex #31 for ident
 metadata = [ "serde", "serde_json"] # enables exporting functions metadata to JSON
 
 # compiling for no-std
-no_std = [ "smallvec/union", "num-traits/libm", "hashbrown", "core-error", "libm", "ahash" ]
+no_std = [ "smallvec/union", "num-traits/libm", "hashbrown", "core-error", "libm" ]
 
 [profile.release]
 lto = "fat"
@@ -76,12 +76,6 @@ default-features = false
 features = ["ahash", "nightly", "inline-more"]
 optional = true
 
-[dependencies.ahash]
-version = "0.3.2"
-default-features = false
-features = ["compile-time-rng"]
-optional = true
-
 [dependencies.serde]
 version = "1.0.116"
 default_features = false

src/utils.rs

@@ -59,13 +59,7 @@ impl BuildHasher for StraightHasherBuilder {
 /// Create an instance of the default hasher.
 #[inline(always)]
 pub fn get_hasher() -> impl Hasher {
-    #[cfg(feature = "no_std")]
     let s: ahash::AHasher = Default::default();
-    // #[cfg(not(feature = "no_std"))]
-    // let s = crate::stdlib::collections::hash_map::DefaultHasher::new();
-    #[cfg(not(feature = "no_std"))]
-    let s: fxhash::FxHasher64 = Default::default();
-
     s
 }