use arrow2::array::Int32Array; use arrow2::compute::arity_assign::{binary, unary}; #[test] fn test_unary_assign() { let mut a = Int32Array::from([Some(5), Some(6), None, Some(10)]); unary(&mut a, |x| x + 10); assert_eq!(a, Int32Array::from([Some(15), Some(16), None, Some(20)])) } #[test] fn test_binary_assign() { let mut a = Int32Array::from([Some(5), Some(6), None, Some(10)]); let b = Int32Array::from([Some(1), Some(2), Some(1), None]); binary(&mut a, &b, |x, y| x + y); assert_eq!(a, Int32Array::from([Some(6), Some(8), None, None])) }