Macro argmin::check_param[−][src]

macro_rules! check_param {
    ($param : expr, $msg : expr, $error : ident) => { ... };
    ($param : expr, $msg : expr) => { ... };
}

Expand description

Release an T from an Option<T> if it is not None. If it is None, return an ArgminError with a message that needs to be provided.