+ import std.math;
  import std.typecons;
- import std.math;
  /*
- 
-     Given an array of integers nums, find the minimum sum of any non-empty sub-array
? ----

+ Given an array of integers nums, find the minimum sum of any non-empty sub-array
-     of nums.
? ----

+ of nums.
-     Example
? ----

+ Example
-     >>> minSubArraySum([2L, 3L, 4L, 1L, 2L, 4L])
? ----

+ >>> minSubArraySum([2L, 3L, 4L, 1L, 2L, 4L])
-     1L
+ 1L
-     >>> minSubArraySum([-1L, -2L, -3L])
? ----

+ >>> minSubArraySum([-1L, -2L, -3L])
+ -6L
-     -6L
-     
  */
  long minSubArraySum(long[] nums)