opt2r 0.2.1

A simple crate(library) that provides a way to convert Option to Result.
Documentation 
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#[macro_export]
macro_rules! err {
    ($e:expr) => {
        $crate::Error::new($e)
    };
}

#[macro_export]
macro_rules! opt_is_none {
    () => {
        $crate::err!($crate::STR_OPTION_IS_NONE.to_string())
    };
}

#[macro_export]
macro_rules! opt_is_none_i32 {
    () => {
        $crate::err!($crate::ERROR_CODE_OPTION_IS_NONE)
    };
}

#[macro_export]
macro_rules! opt_is_none_u32 {
    () => {
        $crate::err!($crate::ERROR_CODE_OPTION_IS_NONE as u32)
    };
}