Cargo Features

simple_parse_derive has no features set by default.

[dependencies]
simple_parse_derive = { version = "0.6.3", features = ["print-generated", "verbose"] }
print-generated
verbose = log

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.

log verbose?