Method from_slice

perro_source/core/perro_structs/src/structs/matrix/mod.rs:887–902

(slice: &[T])

    /// Returns `None` when `slice.len() != ROWS * COLS`.
    #[inline]
    pub fn from_slice(slice: &[T]) -> Option<Self>
    where
        T: Copy + Default,
    {
        if slice.len() != ROWS * COLS {
            return None;
        }

        let mut rows = [[T::default(); COLS]; ROWS];
        for r in 0..ROWS {
            for c in 0..COLS {
                rows[r][c] = slice[r * COLS + c];
            }
        }
        Some(Self(rows))
    }

    /// Build from row-major flat vec.
    ///