Lib.rs

Cargo Features

[dependencies]
no_std_collections = { version = "0.1.5", default-features = false, features = ["no_std", "std"] }

default = std

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

no_std

std default

no_std_collections has 3 features without comments.