Cargo Features

Metrical has no features set by default.

[dependencies]
metrical = { version = "0.1.1", features = ["pickle"] }
pickle = serde, serde-pickle

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

serde pickle?
serde-pickle pickle?

Enables serde-pickle ^0.6.0