Cargo Features

[dependencies]
gramma = { version = "0.2.21", default-features = false, features = ["std", "regex"] }
default = regex, std

These default features are set whenever gramma is added without default-features = false somewhere in the dependency tree.

std default

Enables std of once_cell and regex

once_cell:

Enables once_cell::sync module.

regex default std

Enables once_cell and regex

Affects parse::lex_regex