opencv 0.23.0

Rust bindings for OpenCV
Documentation 
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//! Shared Test Utils

use std::fmt::Debug;

pub fn assert_is_err<T, E>(res: Result<T, E>)
where
    T: Debug,
    E: Debug,
{
    if res.is_ok() {
        assert!(false, "Expected {:?} to be an Error", res);
    }
}