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Part 3: Code Completion with Inline Suggestions

📚 Lab Guide • ← Chat

Goal: Experience AI-powered code completion while writing Swift code.

Scenario: Add a description field to the landmark row display.

Steps

  1. Open LandmarkRow.swift Path: Landmarks/Views/Landmarks/LandmarkRow.swift
  2. Locate the HStack containing the landmark name (around line 14)
  3. Below the landmark name Text view, add this comment:
// Display the landmark description in one line; show full description on hover
  1. Press Enter and wait for Copilot to suggest code
  2. You should see a suggestion like:
Text(landmark.description)
    .font(.caption)
    .foregroundColor(.secondary)
    .lineLimit(1)
  1. Press Tab to accept the suggestion

Try More

  • Add a comment for a date formatter
  • Write a comment to create a computed property for landmark categories
  • Start typing a function name and let Copilot complete the implementation

✅ Part 3 Complete!

You've learned how to:

  • Trigger inline code suggestions with comments
  • Accept suggestions with Tab
  • Guide Copilot with descriptive comments