Thanks to visit codestin.com
Credit goes to lib.rs

Cargo Features

Bumpalo has no features set by default.

[dependencies]
bumpalo = { version = "3.19.0", features = ["std", "collections", "boxed", "allocator_api", "serde", "bench_allocator_api", "allocator-api2"] }
std
collections

Affects bumpalo::collections

boxed

Affects bumpalo::boxed

allocator_api bench_allocator_api?
serde

Enables serde

This dependency is here to allow integration with Serde, if the serde feature is enabled

bench_allocator_api dev = allocator_api

Feature for bumpalo's internal development only. Do not use!

Enables nightly of blink-alloc

Features from optional dependencies

allocator-api2 implicit feature

Enables allocator-api2 ^0.2.8

This dependency provides a version of the unstable nightly Rust Allocator trait on stable Rust. Enabling this feature means that bumpalo will implement its Allocator trait.