assert_result_err

assertables

Macro assert_result_err 

Source 
macro_rules! assert_result_err {
    ($($arg:tt)*) => { ... };
}
👎Deprecated: Please rename from assert_result_err into assert_err because more developers prefer the shorter name.
Expand description

Assert expression is Err.

Deprecated. Please rename from assert_result_err into assert_err because more developers prefer the shorter name.