Cargo Features

mpl-hydra has no features set by default.

[dependencies]
mpl-hydra = { version = "0.4.2", features = ["no-entrypoint", "test-bpf", "no-idl", "cpi"] }
no-entrypoint cpi?
test-bpf
no-idl
cpi = no-entrypoint

mpl-hydra has 4 features without comments.