I wrote an AR archive (.a files) parser in D

[IchorDev]

On Sunday, 4 August 2024 at 20:14:50 UTC, Renato wrote:
> Just announcing here in case someone may be interested in that 
> (the code is very easy to read) and wants to give some feedback 
> on my usage of D

First of all, you should really be using `const` instead of `in`.
Second, do not cast from `const(ubyte[])` to `string`. This is a 
violation of D’s type system. `string` is an alias of 
`immutable(char)[]`. You’re casting to `immutable`—never cast to 
`immutable`! Immutable data must never change during the lifetime 
of a program, but `const` data may be changed from elsewhere 
(e.g. another thread), so this cast violates all the assumptions 
we make for immutable data! Instead, you should cast to 
`const(char[])` in those places.
You also cast to immutable 
[here](https://github.com/renatoathaydes/dar/blob/364494cfa18c884621c9ea92a800e281e9e4daac/source/dar.d#L122).

Since both mutable and immutable data implicitly cast to `const`, 
if you want to take both as parameters, then always make your 
parameters `const`.