mshc-macro-shared 0.1.11

Shared macro source for 'mshc' and 'mshc-derive'
Documentation 
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#[macro_export]
macro_rules! req_field {
    (named $data:ident, $field:expr) => {
        $crate::maybe_field!(named $data, $field)
            .expect(&format!("No '{}' field found in struct layout", $field))
    };

    ($data:ident, $field:literal) => {
        $crate::maybe_field!($data, $field)
            .expect(&format!("No '{}' field found in struct layout", $field))
    };
}