Cargo Features

[dependencies]
ink_codegen = { version = "5.1.0", default-features = false, features = ["std"] }
default = std

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

std default

Enables std of derive_more, use_std of either, use_std of itertools ^0.12, std of ink_primitives and ink_ir and std of parity-scale-codec and serde

serde:

Provide impls for common standard library types like Vec<T> and HashMap<K, V>.
Requires a dependency on the Rust standard library.

ink_codegen has 2 features without comments.