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added error tip

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Anton-4 2024-07-09 19:46:33 +02:00
parent 0d9db5bf2d
commit 15a7ed2e95
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6
crates/compiler/mono/src/borrow.rs
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@ -393,7 +393,11 @@ impl<'state, 'a> State<'state, 'a> {
let borrow_signature = let borrow_signature =
match borrow_signatures.procs.get(&(name.name(), proc_layout)) { match borrow_signatures.procs.get(&(name.name(), proc_layout)) {
Some(s) => s, Some(s) => s,
None => unreachable!("no borrow signature for {name:?} layout"), None => unreachable!(
"\n\tNo borrow signature for {name:?} layout.\n\n\t\
Tip: This can happen when you call a function with less arguments than it expects.\n\t\
Like `Arg.list!` instead of `Arg.list! {{}}`"
)
}; };
for (argument, ownership) in arguments.iter().zip(borrow_signature.iter()) { for (argument, ownership) in arguments.iter().zip(borrow_signature.iter()) {