Does to!(string)(char[]) do any memory allocation on conversion?

[aliak]

On Monday, 25 December 2017 at 14:12:32 UTC, Marc wrote:
> Does to!(string)(char[]) do any memory allocation on conversion 
> or is this similar to a cast or what else?

As said it calls idup, which calls _trustedDup which seems to 
call _dup which does memory allocation -> 
https://github.com/dlang/druntime/blob/v2.077.1/src/object.d#L3863

I think you can use assumeUnique to avoid allocs though. See code 
gen here:

https://godbolt.org/g/44pLpL