extract-method.md

Extract Method

Example

Before

if Math.sqrt((a.x - b.x) ** 2 + (a.y - b.y) ** 2) < THRESHOLD
  # ...
end

After

if distance(a, b) < THRESHOLD
  # ...
end

# ...
def distance(a, b)
  Math.sqrt((a.x - b.x) ** 2 + (a.y - b.y) ** 2)
end

References

• Extract Method on Refactoring.com.
• Extract Method on Refactoring.guru