Cargo Features

[dependencies]
wyz = { version = "0.6.1", default-features = false, features = ["std", "alloc", "once_cell"] }
default = std

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

std default = alloc

Affects wyz::exit

alloc std

Features from optional dependencies

once_cell implicit feature

Enables once_cell

once_cell:

Single assignment cells and lazy values