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Give better error message when decrementing refcount too far

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Richard Feldman 2022-05-29 19:57:03 -04:00
parent bacc645799
commit 6a416b16a0
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1 changed files with 2 additions and 1 deletions
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roc_std/src/storage.rs
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@ -41,7 +41,8 @@ impl Storage {
if rc_as_isize == REFCOUNT_1 {
true
} else {
*rc = NonZeroIsize::new(rc_as_isize - 1).unwrap();
*rc = NonZeroIsize::new(rc_as_isize - 1).expect("A reference count was decremented all the way to zero, which should never happen.");
false
}
}