Cargo Features

[dependencies]
actix-web-lab = { version = "0.20.2", default-features = false, features = ["derive", "cbor", "msgpack", "spa"] }
default = derive

The derive feature is set by default whenever actix-web-lab is added without default-features = false somewhere in the dependency tree.

derive default = actix-web-lab-derive
cbor = serde_cbor_2
msgpack = rmp-serde
spa = actix-files

Affects web::spa

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.

actix-web-lab-derive derive
serde_cbor_2 cbor?

Enables serde_cbor_2

cbor

rmp-serde msgpack?

Enables rmp-serde

msgpack

actix-files spa?

Enables actix-files

spa