fn test_multiple_assign() { a, b, c := 1, 2, 3 assert a == 1 assert b == 2 assert c == 3 } fn test_multiple_assign_swap_simple() { mut a := 11 mut b := 22 a, b = b, a assert a == 22 assert b == 11 } fn test_multiple_assign_swap_complex() { mut a := 11 mut b := 22 mut c := 33 mut d := 44 a, b, c, d = b, a, d, c assert a == 22 assert b == 11 assert c == 44 assert d == 33 } fn test_multiple_assign_infix_expr() { mut a := 11 mut b := 22 mut c := 33 a, b, c = b + 1, a * 2, c - a assert a == 23 assert b == 22 assert c == 22 } fn test_multiple_assign_prefix_expr() { mut a := 11 mut b := 22 mut c := 33 a, b, c = -b, -c, -a assert a == -22 assert b == -33 assert c == -11 } fn test_multiple_assign_postfix_expr() { mut a := 11 mut b := 22 mut c := 33 a, b, c = b++, c++, a-- assert a == 22 assert b == 33 assert c == 11 } fn test_multiple_assign_complex_expr() { mut a := 11 mut b := 22 mut c := 33 a, b, c = -b + 1, -c * 2, a++ assert a == -21 assert b == -66 assert c == 11 }