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Implement List.takeFirst

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satotake 2021-11-08 14:10:53 +00:00 • committed by GitHub
parent 978f9e0bc6
commit 878400f95f
13 changed files with 145 additions and 1 deletions
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compiler/mono/src/borrow.rs
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@ -963,6 +963,7 @@ pub fn lowlevel_borrow_signature(arena: &Bump, op: LowLevel) -> &[bool] {
// TODO when we have lists with capacity (if ever)
// List.append should own its first argument
ListAppend => arena.alloc_slice_copy(&[owned, owned]),
ListTakeFirst => arena.alloc_slice_copy(&[owned, irrelevant]),
ListDrop => arena.alloc_slice_copy(&[owned, irrelevant]),
ListDropAt => arena.alloc_slice_copy(&[owned, irrelevant]),
ListSwap => arena.alloc_slice_copy(&[owned, irrelevant, irrelevant]),