Cargo Features

Watto has no features set by default.

[dependencies]
watto = { version = "0.1.0", features = ["std", "writer", "strings"] }
std strings? writer?
writer = std
strings = leb128, std, thiserror

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features.

leb128 strings?
thiserror strings?