LL | write!(hello);
| -------------- in this macro invocation
|
+ = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
help: you can convert an `usize` to `u64` and panic if the converted value wouldn't fit
|
LL | ($arr.len() * size_of($arr[0])).try_into().unwrap());
| --------- in this macro invocation
|
= note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
+ = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 2 previous errors