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make List.map borrow based on passed function

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Folkert 2021-05-16 14:09:39 +02:00
parent 3a4a78fdbb
commit 3ca6ffade9
8 changed files with 106 additions and 35 deletions
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32
compiler/mono/src/borrow.rs
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@ -409,14 +409,36 @@ impl<'a> BorrowInfState<'a> {
LowLevel {
op,
opt_closure_layout: _,
opt_closure_layout,
} => {
// very unsure what demand RunLowLevel should place upon its arguments
self.own_var(z);
use roc_module::low_level::LowLevel::*;
match op {
ListMap => {
match self
.param_map
.get_symbol(arguments[1], opt_closure_layout.unwrap())
{
Some(ps) => {
if !ps[0].borrow {
self.own_var(arguments[0]);
}
let ps = lowlevel_borrow_signature(self.arena, *op);
if ps.len() > 1 && !ps[1].borrow {
self.own_var(arguments[2]);
}
}
None => unreachable!(),
}
}
_ => {
// very unsure what demand RunLowLevel should place upon its arguments
self.own_var(z);
self.own_args_using_bools(arguments, ps);
let ps = lowlevel_borrow_signature(self.arena, *op);
self.own_args_using_bools(arguments, ps);
}
}
}
Foreign { .. } => {