Cargo Features

[dependencies]
fasteval2 = { version = "2.1.1", default-features = false, features = ["alpha-keywords", "unsafe-vars", "nightly"] }
default = alpha-keywords

The alpha-keywords feature is set by default whenever fasteval2 is added without default-features = false somewhere in the dependency tree.

alpha-keywords default

Enable 'NaN', 'inf', 'and', 'or'

unsafe-vars

tinyexpr-style pointer-based variables.

nightly

Enable features that depend on Rust nightly.