WASM support

[MichaReiser]

We have a transitive dependency on this project through Salsa and orx-concurrent-vec.

I'm now trying to build a WASM playground for our project but noticed that this crate fails to build on WASM:

error[E0080]: evaluation of constant value failed
    --> /home/micha/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/num/mod.rs:1245:5
     |
1245 | /     uint_impl! {
1246 | |         Self = usize,
1247 | |         ActualT = u32,
1248 | |         SignedT = isize,
...    |
1262 | |         bound_condition = " on 32-bit targets",
1263 | |     }
     | |_____^ attempt to compute `65536_usize * 65536_usize`, which would overflow
     |
note: inside `core::num::<impl usize>::pow`
    --> /home/micha/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/num/mod.rs:1245:5
     |
1245 | /     uint_impl! {
1246 | |         Self = usize,
1247 | |         ActualT = u32,
1248 | |         SignedT = isize,
...    |
1262 | |         bound_condition = " on 32-bit targets",
1263 | |     }
     | |_____^
note: inside `cumulative_capacity`
    --> /home/micha/.cargo/registry/src/index.crates.io-6f17d22bba15001f/orx-split-vec-3.2.0/src/growth/doubling/constants.rs:8:5
     |
8    |     usize::pow(2, (fragment_idx + FIRST_FRAGMENT_CAPACITY_POW + 1) as u32) - FIRST_FRAGMENT_CAPACITY
     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: inside `doubling::constants::CUMULATIVE_CAPACITIES`
    --> /home/micha/.cargo/registry/src/index.crates.io-6f17d22bba15001f/orx-split-vec-3.2.0/src/growth/doubling/constants.rs:42:5
     |
42   |     cumulative_capacity(29),
     |     ^^^^^^^^^^^^^^^^^^^^^^^
     = note: this error originates in the macro `uint_impl` (in Nightly builds, run with -Z macro-backtrace for more info)

Would it be possible to add WASM support for this crate? If not, then I'll try to work around the limitation on the Salsa level.

Thanks

[MichaReiser]

This error might not be WASM-specific but applies to 32-bit architectures as well. Trying to build the library for i686-pc-windows-gnu fails with the same error.

[MichaReiser]

Oh, there's already a PR for it. I'm sorry https://github.com/orxfun/orx-split-vec/pull/45

[orxfun]

An attempted fix is merged on PR https://github.com/orxfun/orx-split-vec/pull/50 . Please check and let me know if the problem persists.

[MichaReiser]

Looks good. Thank you so much!