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Fine tune hash map sizes.

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This commit is contained in:
Stephen Chung
2020-11-15 13:49:54 +08:00
parent bde8917ed4
commit c919ee4e46
9 changed files with 69 additions and 54 deletions
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20
src/engine.rs
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@@ -720,10 +720,10 @@ impl Engine {
#[cfg(any(feature = "no_std", target_arch = "wasm32",))]
module_resolver: None,
type_names: HashMap::with_capacity(8),
disabled_symbols: HashSet::with_capacity(4),
custom_keywords: HashMap::with_capacity(4),
custom_syntax: HashMap::with_capacity(4),
type_names: Default::default(),
disabled_symbols: Default::default(),
custom_keywords: Default::default(),
custom_syntax: Default::default(),
// variable resolver
resolve_var: None,
@@ -777,10 +777,10 @@ impl Engine {
#[cfg(not(feature = "no_module"))]
module_resolver: None,
type_names: HashMap::with_capacity(8),
disabled_symbols: HashSet::with_capacity(4),
custom_keywords: HashMap::with_capacity(4),
custom_syntax: HashMap::with_capacity(4),
type_names: Default::default(),
disabled_symbols: Default::default(),
custom_keywords: Default::default(),
custom_syntax: Default::default(),
resolve_var: None,
@@ -1726,7 +1726,7 @@ impl Engine {
#[cfg(not(feature = "no_index"))]
Expr::Array(x, _) => {
let mut arr = Vec::with_capacity(max(TYPICAL_ARRAY_SIZE, x.len()));
let mut arr = Array::with_capacity(max(TYPICAL_ARRAY_SIZE, x.len()));
for item in x.as_ref() {
arr.push(self.eval_expr(scope, mods, state, lib, this_ptr, item, level)?);
}
@@ -1735,7 +1735,7 @@ impl Engine {
#[cfg(not(feature = "no_object"))]
Expr::Map(x, _) => {
let mut map = HashMap::with_capacity(max(TYPICAL_MAP_SIZE, x.len()));
let mut map = Map::with_capacity(max(TYPICAL_MAP_SIZE, x.len()));
for (IdentX { name: key, .. }, expr) in x.as_ref() {
map.insert(
key.clone(),