2 unstable releases
0.2.0 | Jun 21, 2022 |
---|---|
0.1.0 | Oct 9, 2021 |
#213 in Procedural macros
19,259 downloads per month
Used in 23 crates
(15 directly)
20KB
329 lines
rustfmt-wrapper
Rust makes it easy to generate more Rust code--for macros, builders, whatever.
It's nice to format that code to be a little easier on the eyes. While
rustfmt
does a pretty good job, it does a pretty good job as a command and
isn't usable as a library. This is a probably-too-simple wrapper library.
It's pretty simple to use and mixes well with quote!
:
let codegen = quote::quote!{ struct Foo { bar: String } };
let formatted: String = rustfmt_wrapper::rustfmt(codegen).unwrap();
If you need more control over the vast array of rustfmt
configuration
options, you can use the second form:
let codegen = quote::quote!{
async fn go() {
let _ = Client::new().operation_id().send().await?;
}
};
let config = Config {
max_width: Some(45),
..Default::default()
};
let narrow_formatted = rustfmt_config(config, codegen).unwrap();
Note that in order to use unstable configuration options, you will need to have
a the nightly version of rustfmt
installed.
Thanks to David Tolnay for so many tools including
cargo-expand
from which this
borrows.
Dependencies
~3.5–9.5MB
~188K SLoC