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Reduce BTree sizes by boxing values.

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This commit is contained in:
Stephen Chung
2021-05-03 13:45:41 +08:00
parent aad842fe50
commit c749bbb653
5 changed files with 29 additions and 22 deletions
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6
src/engine.rs
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@@ -558,7 +558,7 @@ pub struct FnResolutionCacheEntry {
}
/// A function resolution cache.
pub type FnResolutionCache = BTreeMap<u64, Option<FnResolutionCacheEntry>>;
pub type FnResolutionCache = BTreeMap<u64, Option<Box<FnResolutionCacheEntry>>>;
/// _(INTERNALS)_ A type that holds all the current states of the [`Engine`].
/// Exported under the `internals` feature only.
@@ -776,7 +776,7 @@ pub struct Engine {
pub(crate) module_resolver: Box<dyn crate::ModuleResolver>,
/// A map mapping type names to pretty-print names.
pub(crate) type_names: BTreeMap<Identifier, Identifier>,
pub(crate) type_names: BTreeMap<Identifier, Box<Identifier>>,
/// An empty [`ImmutableString`] for cloning purposes.
pub(crate) empty_string: ImmutableString,
@@ -786,7 +786,7 @@ pub struct Engine {
/// A map containing custom keywords and precedence to recognize.
pub(crate) custom_keywords: BTreeMap<Identifier, Option<Precedence>>,
/// Custom syntax.
pub(crate) custom_syntax: BTreeMap<Identifier, CustomSyntax>,
pub(crate) custom_syntax: BTreeMap<Identifier, Box<CustomSyntax>>,
/// Callback closure for resolving variable access.
pub(crate) resolve_var: Option<OnVarCallback>,