1const std = @import("std");
 2const expect = std.testing.expect;
 3
 4test "static local variable" {
 5    try expect(foo() == 1235);
 6    try expect(foo() == 1236);
 7}
 8
 9fn foo() i32 {
10    const S = struct {
11        var x: i32 = 1234;
12    };
13    S.x += 1;
14    return S.x;
15}
16
17// test