language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-28 14:24:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

use Vec instead of MutMap

Browse source
This commit is contained in:
Folkert 2022-02-28 23:54:35 +01:00
parent 9d82f795b7
commit 1ef9546391
No known key found for this signature in database
GPG key ID: 1F17F6FFD112B97C
2 changed files with 13 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

20
compiler/solve/src/solve.rs
View file

@ -78,25 +78,29 @@ pub enum TypeError {
#[derive(Clone, Debug, Default)]
pub struct Env {
vars_by_symbol: MutMap<Symbol, Variable>,
vars_by_symbol: Vec<(Symbol, Variable)>,
}
impl Env {
pub fn vars_by_symbol(&self) -> MutMap<Symbol, Variable> {
self.vars_by_symbol.clone()
self.vars_by_symbol.iter().copied().collect()
}
fn get_var_by_symbol(&self, symbol: &Symbol) -> Option<Variable> {
self.vars_by_symbol.get(symbol).copied()
self.vars_by_symbol
.iter()
.find(|(s, _)| s == symbol)
.map(|(_, var)| *var)
}
fn insert_symbol_var_if_vacant(&mut self, symbol: Symbol, var: Variable) {
match self.vars_by_symbol.entry(symbol) {
Entry::Occupied(_) => {
// keep the existing value
match self.get_var_by_symbol(&symbol) {
None => {
// symbol is not in vars_by_symbol yet; insert it
self.vars_by_symbol.push((symbol, var))
}
Entry::Vacant(vacant) => {
vacant.insert(var);
Some(_) => {
// do nothing
}
}
}