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Represent "able" variables with slices of abilities

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This commit is contained in:
Ayaz Hafiz 2022-10-12 14:52:38 -05:00
parent 0f0678ce73
commit 229548571b
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10 changed files with 163 additions and 85 deletions
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16
crates/compiler/can/src/copy.rs
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@ -1044,8 +1044,8 @@ mod test {
use roc_region::all::Loc;
use roc_types::{
subs::{
self, Content, Content::*, Descriptor, FlatType, Mark, OptVariable, Rank, Subs,
SubsIndex, SubsSlice, Variable,
self, Content, Content::*, Descriptor, FlatType, GetSubsSlice, Mark, OptVariable, Rank,
Subs, SubsIndex, SubsSlice, Variable,
},
types::Uls,
};
@ -1107,7 +1107,8 @@ mod test {
let mut subs = Subs::new();
let field_name = SubsIndex::push_new(&mut subs.field_names, "a".into());
let var = new_var(&mut subs, FlexAbleVar(Some(field_name), Symbol::UNDERSCORE));
let abilities = SubsSlice::extend_new(&mut subs.symbol_names, [Symbol::UNDERSCORE]);
let var = new_var(&mut subs, FlexAbleVar(Some(field_name), abilities));
let mut copied = vec![];
@ -1116,8 +1117,9 @@ mod test {
assert_ne!(var, copy);
match subs.get_content_without_compacting(var) {
FlexAbleVar(Some(name), Symbol::UNDERSCORE) => {
FlexAbleVar(Some(name), abilities) => {
assert_eq!(subs[*name].as_str(), "a");
assert_eq!(subs.get_subs_slice(*abilities), [Symbol::UNDERSCORE]);
}
it => unreachable!("{:?}", it),
}
@ -1128,7 +1130,8 @@ mod test {
let mut subs = Subs::new();
let field_name = SubsIndex::push_new(&mut subs.field_names, "a".into());
let var = new_var(&mut subs, RigidAbleVar(field_name, Symbol::UNDERSCORE));
let abilities = SubsSlice::extend_new(&mut subs.symbol_names, [Symbol::UNDERSCORE]);
let var = new_var(&mut subs, RigidAbleVar(field_name, abilities));
let mut copied = vec![];
@ -1136,8 +1139,9 @@ mod test {
assert_ne!(var, copy);
match subs.get_content_without_compacting(var) {
RigidAbleVar(name, Symbol::UNDERSCORE) => {
RigidAbleVar(name, abilities) => {
assert_eq!(subs[*name].as_str(), "a");
assert_eq!(subs.get_subs_slice(*abilities), [Symbol::UNDERSCORE]);
}
it => internal_error!("{:?}", it),
}