Cargo Features

[dependencies]
rs_merkle = { version = "1.5.0", default-features = false, features = ["std", "keccak256"] }
default = std

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

std default

Enables std of sha2

keccak256

Enables tiny-keccak

Affects keccak256::Keccak256Algorithm