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feat(List): add map3

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This commit is contained in:
rvcas 2021-03-08 21:12:19 -05:00
parent c2525d2407
commit 268ab82410
10 changed files with 351 additions and 2 deletions
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1
compiler/builtins/src/bitcode.rs
View file

@ -64,6 +64,7 @@ pub const SET_FROM_LIST: &str = "roc_builtins.dict.set_from_list";
pub const LIST_MAP: &str = "roc_builtins.list.map";
pub const LIST_MAP2: &str = "roc_builtins.list.map2";
pub const LIST_MAP3: &str = "roc_builtins.list.map3";
pub const LIST_MAP_WITH_INDEX: &str = "roc_builtins.list.map_with_index";
pub const LIST_KEEP_IF: &str = "roc_builtins.list.keep_if";
pub const LIST_KEEP_OKS: &str = "roc_builtins.list.keep_oks";

15
compiler/builtins/src/std.rs
View file

@ -817,6 +817,21 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
)
});
// map3 : List a, List b, List c, (a, b, c -> d) -> List d
add_type(Symbol::LIST_MAP3, {
let_tvars! {a, b, c, d, cvar};
top_level_function(
vec![
list_type(flex(a)),
list_type(flex(b)),
list_type(flex(c)),
closure(vec![flex(a), flex(b), flex(c)], cvar, Box::new(flex(d))),
],
Box::new(list_type(flex(d))),
)
});
// append : List elem, elem -> List elem
add_type(
Symbol::LIST_APPEND,