Reduce usage of Default::default()

src/serde/deserialize.rs

@@ -142,7 +142,7 @@ impl<'d> Visitor<'d> for DynamicVisitor {
 
     #[cfg(not(feature = "no_index"))]
     fn visit_seq<A: SeqAccess<'d>>(self, mut seq: A) -> Result<Self::Value, A::Error> {
-        let mut arr: Array = Default::default();
+        let mut arr = Array::new();
 
         while let Some(v) = seq.next_element()? {
             arr.push(v);
@@ -153,7 +153,7 @@ impl<'d> Visitor<'d> for DynamicVisitor {
 
     #[cfg(not(feature = "no_object"))]
     fn visit_map<M: MapAccess<'d>>(self, mut map: M) -> Result<Self::Value, M::Error> {
-        let mut m: Map = Default::default();
+        let mut m = Map::new();
 
         while let Some((k, v)) = map.next_entry::<&str, _>()? {
             m.insert(k.into(), v);

src/serde/metadata.rs

@@ -207,6 +207,13 @@ struct ModuleMetadata {
     pub functions: Vec<FnMetadata>,
 }
 
+impl ModuleMetadata {
+    #[inline(always)]
+    pub fn new() -> Self {
+        Default::default()
+    }
+}
+
 impl From<&crate::Module> for ModuleMetadata {
     fn from(module: &crate::Module) -> Self {
         let mut functions: Vec<_> = module.iter_fn().map(|f| f.into()).collect();
@@ -239,7 +246,7 @@ impl Engine {
         include_global: bool,
     ) -> serde_json::Result<String> {
         let _ast = ast;
-        let mut global: ModuleMetadata = Default::default();
+        let mut global = ModuleMetadata::new();
 
         if include_global {
             self.global_modules