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Be more explicit about imported flex and rigid vars

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Ayaz Hafiz 2022-12-05 13:04:15 -06:00
parent 0bb31558e6
commit 8ca9e6b443
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2 changed files with 32 additions and 16 deletions
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12
crates/compiler/can/src/constraint.rs
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@ -488,17 +488,19 @@ impl Constraints {
/// then need to find their way to the pool, and a convenient approach turned out to be to
/// tag them onto the `Let` that we used to add the imported values.
#[inline(always)]
pub fn let_import_constraint<I1, I2>(
pub fn let_import_constraint<I1, I2, I3>(
&mut self,
rigid_vars: I1,
def_types: I2,
flex_vars: I2,
def_types: I3,
module_constraint: Constraint,
pool_variables: &[Variable],
) -> Constraint
where
I1: IntoIterator<Item = Variable>,
I2: IntoIterator<Item = (Symbol, Loc<TypeOrVar>)>,
I2::IntoIter: ExactSizeIterator,
I2: IntoIterator<Item = Variable>,
I3: IntoIterator<Item = (Symbol, Loc<TypeOrVar>)>,
I3::IntoIter: ExactSizeIterator,
{
// defs and ret constraint are stored consequtively, so we only need to store one index
let defs_and_ret_constraint = Index::new(self.constraints.len() as _);
@ -508,7 +510,7 @@ impl Constraints {
let let_contraint = LetConstraint {
rigid_vars: self.variable_slice(rigid_vars),
flex_vars: Slice::default(),
flex_vars: self.variable_slice(flex_vars),
def_types: self.def_types_slice(def_types),
defs_and_ret_constraint,
};