Performance-ZipWithoutBlock.md

Pattern: Use of map { |id| [id] }

Issue: -

Description

Checks for map { |id| [id] } and suggests replacing it with zip.

Examples

# bad
[1, 2, 3].map { |id| [id] }

# good
[1, 2, 3].zip

Further Reading

• RuboCop - Performance/ZipWithoutBlock