Cargo Features

[dependencies]
modify = { version = "0.1.3", default-features = false, features = ["serde", "serde_json"] }
default = serde, serde_json

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

serde default

Enables serde

serde_json default

Enables serde_json

Modify has 3 features without comments.