Struct ExtractVersion

pub struct ExtractVersion(pub String);

This is a custom extractor for Axum that extracts the version, via the X-Version request header. If the X-Version header is present, it returns it. If the X-Version header is not present, it defaults to latest.

Links

https://docs.rs/axum/latest/axum/index.html https://docs.rs/axum/latest/axum/extract/index.html#defining-custom-extractors

Author

François GRUCHALA francois@nebeto.xyz

Examples

use axum::{routing::get, Router};
use version_middleware::ExtractVersion;

async fn handler(ExtractVersion(version): ExtractVersion) {
    println!("Version: {}", version);
}

let app = Router::<()>::new().route("/foo", get(handler));

Tuple Fields

0: String

Trait Implementations

impl Clone for ExtractVersion

fn clone(&self) -> ExtractVersion

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ExtractVersion

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<S> FromRequestParts<S> for ExtractVersion

where S: Send + Sync,

type Rejection = (StatusCode, String)

If the extractor fails it’ll use this “rejection” type. A rejection is a kind of error that can be converted into a response.

async fn from_request_parts( parts: &mut Parts, _state: &S, ) -> Result<Self, Self::Rejection>

Perform the extraction.