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add tag name dedup

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Folkert 2021-11-25 00:11:11 +01:00
parent 3139e73cf9
commit 093b733a2c
2 changed files with 101 additions and 16 deletions
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4
compiler/types/src/subs.rs
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@ -1,5 +1,5 @@
use crate::types::{name_type_var, ErrorType, Problem, RecordField, TypeExt};
use roc_collections::all::{ImMap, ImSet, MutSet, SendMap};
use roc_collections::all::{ImMap, ImSet, MutMap, MutSet, SendMap};
use roc_module::ident::{Lowercase, TagName, Uppercase};
use roc_module::symbol::Symbol;
use std::fmt;
@ -59,6 +59,7 @@ pub struct Subs {
pub field_names: Vec<Lowercase>,
pub record_fields: Vec<RecordField<()>>,
pub variable_slices: Vec<VariableSubsSlice>,
pub tag_name_cache: MutMap<TagName, SubsSlice<TagName>>,
}
impl Default for Subs {
@ -1027,6 +1028,7 @@ impl Subs {
// store an empty slice at the first position
// used for "TagOrFunction"
variable_slices: vec![VariableSubsSlice::default()],
tag_name_cache: MutMap::default(),
};
// NOTE the utable does not (currently) have a with_capacity; using this as the next-best thing