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https://github.com/actix/actix-website
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30 lines
656 B
Rust
30 lines
656 B
Rust
// <either>
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use actix_web::{Either, Error, HttpResponse};
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type RegisterResult = Either<HttpResponse, Result<&'static str, Error>>;
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async fn index() -> RegisterResult {
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if is_a_variant() {
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// <- choose variant A
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Either::A(HttpResponse::BadRequest().body("Bad data"))
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} else {
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// <- variant B
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Either::B(Ok("Hello!"))
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}
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}
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// </either>
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#[actix_web::main]
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async fn main() -> std::io::Result<()> {
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use actix_web::{web, App, HttpServer};
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HttpServer::new(|| App::new().route("/", web::get().to(index)))
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.bind("127.0.0.1:8080")?
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.run()
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.await
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}
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fn is_a_variant() -> bool {
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true
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}
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