Cargo Features

[dependencies]
acvm_stdlib = { version = "0.27.0", default-features = false, features = ["bn254", "bls12_381", "testing"] }
default = bn254

The bn254 feature is set by default whenever acvm_stdlib is added without default-features = false somewhere in the dependency tree.

bn254 default testing?

Enables bn254 of acir ^0.27.0

bls12_381

Enables bls12_381 of acir ^0.27.0

testing = bn254

acvm_stdlib has 4 features without comments.