Cargo Features

[dependencies]
parsley-rs = { version = "0.20.4", default-features = false, features = ["net", "dns", "fs", "buffer"] }
default = buffer, fs, net

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

net default dns?
dns = net

Enables dns-lookup ^1.0.8

fs default

Enables parsley-rs-hack

buffer default

parsley-rs has 5 features without comments.