Function shine_graph::bits::bitops::or4

pub fn or4<B, S0, S1, S2, S3>(
    set_0: S0, 
    set_1: S1, 
    set_2: S2, 
    set_3: S3
) -> Or4<B, S0, S1, S2, S3> where
    B: BitBlock,
    S0: BitSetView<Bits = B>,
    S1: BitSetView<Bits = B>,
    S2: BitSetView<Bits = B>,
    S3: BitSetView<Bits = B>, 

Create a bitwise #fn_name of BitSetView objects