Actix Web·Actix Web essentials

Extractors

Extractors parse path, query and JSON into typed values.

Advanced 10 min read Lesson 2 of 150 Challenge included
What you will be able to do
  • Use web::Path<T>.
  • Use web::Json<T>.
  • Return 400 on bad input.

In plain English

Extractors parse path, query and JSON into typed values.

  • Use web::Path<T>.
  • Use web::Json<T>.
  • Return 400 on bad input.
extract.rsRust
#[post("/api/courses")]
async fn create(body: web::Json<Course>) -> impl Responder {
    web::Json(body.into_inner())
}
Your turn

Explain it back

Easy

Answer from memory: Which extractor parses a JSON body?

TEXT · starter
Your answer…
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Knowledge checkQuestion 1

Which extractor parses a JSON body?

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