Remove lib

src/main.zig

@@ -25,10 +25,6 @@ test "simple test" {
     try std.testing.expectEqual(@as(i32, 42), list.pop());
 }
 
-test "use other module" {
-    try std.testing.expectEqual(@as(i32, 150), lib.add(100, 50));
-}
-
 test "fuzz example" {
     const Context = struct {
         fn testOne(context: @This(), input: []const u8) anyerror!void {
@@ -41,6 +37,3 @@ test "fuzz example" {
 }
 
 const std = @import("std");
-
-/// This imports the separate module containing `root.zig`. Take a look in `build.zig` for details.
-const lib = @import("zaprus_lib");

src/root.zig

@@ -1,13 +0,0 @@
-//! By convention, root.zig is the root source file when making a library. If
-//! you are making an executable, the convention is to delete this file and
-//! start with main.zig instead.
-const std = @import("std");
-const testing = std.testing;
-
-pub export fn add(a: i32, b: i32) i32 {
-    return a + b;
-}
-
-test "basic add functionality" {
-    try testing.expect(add(3, 7) == 10);
-}