fix: make Serde (de)serialization no_std compatible

multiformats / rust-multihash

multihash implementation in Rust

https://github.com/multiformats/multihash

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fix: make Serde (de)serialization no_std compatible #337

Closed vmx closed 1 year ago

vmx commented 1 year ago

multihash v0.19 introduced a regression. It's no longer possible to compile with no_std and serde feature enabled. This commit fixes that regression.

Due to generic_const_exprs not being a thing yet, we need to use unsafe code to provide this functionality.

Fixes #336.