language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-29 06:44:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Implement List.dropIf

Browse source 
This was referenced in the `List` documentation and in the
[tutorial](./TUTORIAL.md), but wasn't actually implemented prior to this
commit!

Part of #2227
This commit is contained in:
ayazhafiz 2021-12-22 12:33:08 -06:00
parent 78a247e6f2
commit ed64ff912a
5 changed files with 180 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/builtins/src/std.rs
View file

@ -1167,6 +1167,16 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
Box::new(list_type(flex(TVAR1))),
);
// dropIf : List elem, (elem -> Bool) -> List elem
add_top_level_function_type!(
Symbol::LIST_DROP_IF,
vec![
list_type(flex(TVAR1)),
closure(vec![flex(TVAR1)], TVAR2, Box::new(bool_type())),
],
Box::new(list_type(flex(TVAR1))),
);
// swap : List elem, Nat, Nat -> List elem
add_top_level_function_type!(
Symbol::LIST_SWAP,