Two heads, one keyboard.
Pairing spreads knowledge, catches mistakes early and speeds up learning. There are several styles, each for a different job.
Driver / navigator
Classic
One types, one thinks ahead.
- Swap roles often
- Good for most work
Ping-pong
With Tests
One writes a test, the other makes it pass.
- Built-in rhythm
- Great for TDD
Strong-style
For Teaching
Ideas go through the other person's hands.
- The expert navigates
- The learner types everything
Source: Llewellyn Falco ↗
Pair for learning, not just output.