Function httptest::mappers::key

pub fn key<M>(inner: M) -> Key<M>

extract the key from a key-value pair.

Example

use httptest::mappers::*;

// A request matcher that matches a request with a header `x-foobar` with any value.
request::headers(contains(key("x-foobar")));

// A request matcher that matches a request with a query parameter `foobar` with any value.
request::query(url_decoded(contains(key("foobar"))));