1 //! Preconfigured engines for common use cases.
2 //!
3 //! These are re-exports of `const` engines in [crate::engine::general_purpose], renamed with a `BASE64_`
4 //! prefix for those who prefer to `use` the entire path to a name.
5 //!
6 //! # Examples
7 //!
8 #![cfg_attr(feature = "alloc", doc = "```")]
9 #![cfg_attr(not(feature = "alloc"), doc = "```ignore")]
10 //! use base64::prelude::{Engine as _, BASE64_STANDARD_NO_PAD};
11 //!
12 //! assert_eq!("c29tZSBieXRlcw", &BASE64_STANDARD_NO_PAD.encode(b"some bytes"));
13 //! ```
14 
15 pub use crate::engine::Engine;
16 
17 pub use crate::engine::general_purpose::STANDARD as BASE64_STANDARD;
18 pub use crate::engine::general_purpose::STANDARD_NO_PAD as BASE64_STANDARD_NO_PAD;
19 pub use crate::engine::general_purpose::URL_SAFE as BASE64_URL_SAFE;
20 pub use crate::engine::general_purpose::URL_SAFE_NO_PAD as BASE64_URL_SAFE_NO_PAD;
21