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Lift lambda sets as their own type

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This prepares for unspecialized lambda set in the type system in
general.
This commit is contained in:
Ayaz Hafiz 2022-05-31 14:36:44 -05:00
parent 40b43ea98d
commit c2a2ce690c
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GPG key ID: 0E2A37416A25EF58
13 changed files with 708 additions and 410 deletions
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27
compiler/mono/src/copy.rs
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@ -5,8 +5,8 @@ use roc_can::{
expr::{AccessorData, ClosureData, Expr, Field, WhenBranch},
};
use roc_types::subs::{
AliasVariables, Descriptor, OptVariable, RecordFields, Subs, SubsSlice, UnionTags, Variable,
VariableSubsSlice,
self, AliasVariables, Descriptor, OptVariable, RecordFields, Subs, SubsSlice, UnionTags,
Variable, VariableSubsSlice,
};
/// Deep copies the type variables in the type hosted by [`var`] into [`expr`].
@ -611,6 +611,29 @@ fn deep_copy_type_vars<'a>(
})
}
LambdaSet(subs::LambdaSet { solved }) => {
for variables_slice_index in solved.variables() {
let variables_slice = subs[variables_slice_index];
descend_slice!(variables_slice);
}
perform_clone!({
let new_variable_slices =
SubsSlice::reserve_variable_slices(subs, solved.len());
let it = (new_variable_slices.indices()).zip(solved.variables());
for (target_index, index) in it {
let slice = subs[index];
let new_variables = clone_var_slice!(slice);
subs.variable_slices[target_index] = new_variables;
}
let new_solved =
UnionTags::from_slices(solved.tag_names(), new_variable_slices);
LambdaSet(subs::LambdaSet { solved: new_solved })
})
}
RangedNumber(typ, range) => {
let new_typ = descend_var!(typ);