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use crate::index::{FromIndex, IntoIndex};

const DIM: usize = 4;
type Tuple = (usize, usize, usize, usize);

impl IntoIndex<DIM> for Tuple {
    #[inline(always)]
    fn into_index(self) -> [usize; DIM] {
        [self.0, self.1, self.2, self.3]
    }
}

impl FromIndex<DIM> for Tuple {
    #[inline(always)]
    fn from_index(index: [usize; DIM]) -> Self {
        (index[0], index[1], index[2], index[3])
    }
}