language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-26 21:39:07 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

Detect ability specializations that overload different opaque types

Browse source
This commit is contained in:
Ayaz Hafiz 2022-07-25 11:35:20 -04:00
parent 51bce825fb
commit 10db3f8574
No known key found for this signature in database
GPG key ID: 0E2A37416A25EF58
5 changed files with 70 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

9
crates/compiler/can/src/abilities.rs
View file

@ -279,6 +279,13 @@ impl<Phase: ResolvePhase> IAbilitiesStore<Phase> {
id
}
/// Finds the implementation key for a symbol specializing the ability member, if it specializes any.
/// For example, suppose `hashId : Id -> U64` specializes `hash : a -> U64 | a has Hash`.
/// Calling this with `hashId` would retrieve (hash, hashId).
pub fn impl_key(&self, specializing_symbol: Symbol) -> Option<&ImplKey> {
self.specialization_to_root.get(&specializing_symbol)
}
/// Creates a store from [`self`] that closes over the abilities/members given by the
/// imported `symbols`, and their specializations (if any).
pub fn closure_from_imported(&self, symbols: &VecSet<Symbol>) -> PendingAbilitiesStore {
@ -373,7 +380,7 @@ impl IAbilitiesStore<Resolved> {
&self,
specializing_symbol: Symbol,
) -> Option<(ImplKey, &AbilityMemberData<Resolved>)> {
let impl_key = self.specialization_to_root.get(&specializing_symbol)?;
let impl_key = self.impl_key(specializing_symbol)?;
debug_assert!(self.ability_members.contains_key(&impl_key.ability_member));
let root_data = self
.ability_members