Macro std_error 

macro_rules! std_error {
    ($err:expr) => { ... };
    ($err:expr, operation = $op:expr) => { ... };
    ($err:expr, component = $comp:expr) => { ... };
    ($err:expr, operation = $op:expr, component = $comp:expr) => { ... };
}

Macro for easy error standardization with automatic context