Count-Count

Maybe take some inspiration from rust-memchr: [ifunc-like macro for Rust](https://github.com/BurntSushi/rust-memchr/blob/d6b81866920615a75e1e53f880050e1e8d3f565a/src/x86/mod.rs#L31)

You are totally right, I meant sse2.rs, but linked the wrong file. It is still not a straight-forward translation as aarch64 neon does not have anything like _mm_movemask_epi8 afaik. Do...

@mutantmonkey FYI

Approach no. 3 sounds good. Shouldn't it just work(tm) if we use the high-level `iter_content()` with `chunk_size=None`? stream is already set to True. ``` def iter_content(self, chunk_size=1, decode_unicode=False): """Iterates over...

@mutantmonkey What was the problem with a chunk_size of 1?

Alternatively get rid of the short read functionality altogether. Who knows what other issues with it haven't been discovered yet.

I am also migrating from pipenv which uses `.env` out of the box. It would be great if `uv run` could support this.