> there's no actual way of implementing this sugaring yourself. This is the common case in languages with sugar. Heck, you could consider all of Rust sugar fo

> there's no actual way of implementing this sugaring yourself. This is the common case in languages with sugar. Heck, you could consider all of Rust sugar for MIR... > There's no way I'd be able to figure out why this happens. You don't generally need to, but most of this is documented: https://doc.rust-lang.org/stable/std/iter/index.html#for-loops-and-intoiterator https://doc.rust-lang.org/stable/std/iter/index.html#for-loo... https://doc.rust-lang.org/stable/std/ops/trait.Add.html#implementing-add-with-generics https://doc.rust-lang.org/stable/std/ops/trait.Add.html#impl... ?'s desugaring isn't documented because the desugaring is subject to change.