Cargo Features

gfx-swap has no features set by default.

[dependencies]
gfx-swap = { version = "0.1.0", features = ["ci", "cpi", "no-entrypoint", "no-idl"] }
ci
cpi = no-entrypoint
no-entrypoint cpi?
no-idl

gfx-swap has 4 features without comments.