Derive Macro DelegateFmt 

#[derive(DelegateFmt)]
{
    // Attributes available to this derive:
    #[dfmt]
    #[dany]
    #[dbinary]
    #[ddebug]
    #[ddisplay]
    #[dlexp]
    #[dlhex]
    #[doctal]
    #[dpointer]
    #[duexp]
    #[duhex]
}

Derive multiple fmt traits at once without needing to repeatedly parse the struct/enum.

See “Multiple traits at once” example in crate-level documentation.