Cargo Features

[dependencies]
chrono = { version = "0.4.39", default-features = false, features = ["std", "alloc", "libc", "winapi", "clock", "now", "oldtime", "wasmbind", "unstable-locales", "rkyv", "rkyv-16", "rkyv-32", "rkyv-64", "rkyv-validation", "serde", "arbitrary"] }

default = clock, oldtime, std, wasmbind

Don't forget to adjust ALL_NON_EXCLUSIVE_FEATURES in CI scripts when adding a feature or an optional dependency.

std default now? = alloc

alloc std

Affects formatting::DelayedFormat, formatting::format, formatting::format_item…

libc

winapi clock = windows-targets

clock default = android-tzdata, iana-time-zone, now, winapi

now clock = std

oldtime default

wasmbind default = js-sys, wasm-bindgen

unstable-locales = pure-rust-locales

rkyv

Note that rkyv-16, rkyv-32, and rkyv-64 are mutually exclusive.

Enables size_32 of rkyv ^0.7.43

Affects chrono::rkyv…

rkyv-16

Enables size_16 of rkyv ^0.7.43

Affects chrono::rkyv…

rkyv-32

Enables size_32 of rkyv ^0.7.43

Affects chrono::rkyv…

rkyv-64

Enables size_64 of rkyv ^0.7.43

Affects chrono::rkyv…

rkyv-validation

Enables validation of optional rkyv ^0.7.43

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

serde implicit feature

Enables serde

serde:

A generic serialization/deserialization framework

Affects chrono::serde, naive::serde…

pure-rust-locales unstable-locales?

android-tzdata android clock

iana-time-zone unix clock

js-sys wasm32 not emscripten wasi wasmbind

wasm-bindgen wasm32 not emscripten wasi wasmbind

windows-targets win winapi?

Enables windows-targets ^0.52

arbitrary implicit feature

Enables arbitrary

arbitrary:

The trait for generating structured data from unstructured data