Cargo Features

[dependencies]
cumulus-test-relay-sproof-builder = { version = "0.12.0", default-features = false, features = ["std"] }
default = std

The std feature is set by default whenever cumulus-test-relay-sproof-builder is added without default-features = false somewhere in the dependency tree.

std default

Enables std of polkadot-primitives

Polkadot

and std of parity-scale-codec and cumulus-primitives-core

cumulus-primitives-core:

Cumulus

and std of sp-runtime, sp-state-machine, sp-std, and sp-trie

sp-runtime:

Substrate