feat: add while.zig

single_files/while.zig

@@ -0,0 +1,11 @@
+const std = @import("std");
+const print = std.debug.print;
+
+pub fn main() void {
+  var sum: i32 = 0;
+  var i: i32 = 0;
+  while (i <100) : (i += 1) {
+    sum += i;
+  }
+  print("Sum: {}\n", .{sum});
+}