25. Single-Driver Data Line using uwire

Create a single-driver data line using uwire.

• Module: single_driver_line
• Inputs: d1, d2 (only d1 is allowed to drive the line)
• Output: y (declare as uwire).

✅ Try it yourself: Connect both d1 and d2 to y — observe the compiler output.

⚠️ Note: uwire is not supported by current version of synthesizer.