vecc
Simple rust macro to create a vector of vector.
Examaple: let v = vecc![[1, 2], [3, 4]];, it should equal to vec![vec![1, 2], vec![3, 4]]
Simple rust macro to create a vector of vector.
Examaple: let v = vecc![[1, 2], [3, 4]];, it should equal to vec![vec![1, 2], vec![3, 4]]