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expose rigids introduced by builtins

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they aren't used yet, because their names can 'leak'. Not sure what the best way forward is here
This commit is contained in:
Folkert 2020-03-06 13:41:20 +01:00
parent b9b2f70673
commit fefac9580e
5 changed files with 55 additions and 20 deletions
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33
compiler/constrain/src/module.rs
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@ -43,7 +43,7 @@ pub fn constrain_imported_values(
imports: Vec<Import<'_>>,
body_con: Constraint,
var_store: &VarStore,
) -> Constraint {
) -> (Vec<Variable>, Constraint) {
use Constraint::*;
let mut def_types = SendMap::default();
let mut rigid_vars = Vec::new();
@ -81,14 +81,17 @@ pub fn constrain_imported_values(
}
}
Let(Box::new(LetConstraint {
rigid_vars,
flex_vars: Vec::new(),
def_types,
def_aliases: SendMap::default(),
defs_constraint: True,
ret_constraint: body_con,
}))
(
rigid_vars.clone(),
Let(Box::new(LetConstraint {
rigid_vars,
flex_vars: Vec::new(),
def_types,
def_aliases: SendMap::default(),
defs_constraint: True,
ret_constraint: body_con,
})),
)
}
pub fn load_builtin_aliases(
@ -110,10 +113,14 @@ pub fn load_builtin_aliases(
let mut vars = Vec::with_capacity(builtin_alias.vars.len());
for (loc_lowercase, index) in builtin_alias.vars.iter().zip(1..) {
let var = free_vars
.unnamed_vars
.get(&VarId::from_u32(index))
.expect("var_id was not instantiated (is it phantom?)");
let var = if let Some(result) = free_vars.unnamed_vars.get(&VarId::from_u32(index)) {
result
} else {
panic!(
"var_id {:?} was not instantiated in the body of {:?} : {:?} (is it phantom?)",
index, symbol, &builtin_alias
)
};
vars.push(Located::at(
loc_lowercase.region,