Cargo Features

naphtha-proc-macro has no features set by default.

[dependencies]
naphtha-proc-macro = { version = "0.5.0", features = ["full", "barrel-full", "pg", "barrel-pg"] }
full = barrel-full, mysql, pg, sqlite
barrel-full full? = barrel-mysql, barrel-pg, barrel-sqlite
sqlite mysql pg full?
barrel-sqlite barrel-mysql barrel-pg barrel-full?

naphtha-proc-macro has 4 features without comments.