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Use Variable::U64 for List.len in file load

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Richard Feldman 2024-01-22 23:47:27 -05:00
parent 4a38d3a1af
commit e207a7ce53
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1 changed files with 2 additions and 2 deletions
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4
crates/compiler/load_internal/src/file.rs
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@ -4664,7 +4664,7 @@ fn synth_import(subs: &mut Subs, content: roc_types::subs::Content) -> Variable
fn synth_list_len_type(subs: &mut Subs) -> Variable {
use roc_types::subs::{Content, FlatType, LambdaSet, OptVariable, SubsSlice, UnionLabels};
// List.len : List a -> Nat
// List.len : List a -> U64
let a = synth_import(subs, Content::FlexVar(None));
let a_slice = SubsSlice::extend_new(&mut subs.variables, [a]);
let list_a = synth_import(
@ -4685,7 +4685,7 @@ fn synth_list_len_type(subs: &mut Subs) -> Variable {
let fn_args_slice = SubsSlice::extend_new(&mut subs.variables, [list_a]);
subs.set_content(
fn_var,
Content::Structure(FlatType::Func(fn_args_slice, clos_list_len, Variable::NAT)),
Content::Structure(FlatType::Func(fn_args_slice, clos_list_len, Variable::U64)),
);
fn_var
}