[GROOVY-7349] Optimize foreach style loops on arrays

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.4.2
• Component/s: Static compilation
• Assignee: Cédric Champeau
• Reporter: Cédric Champeau
• Created: 17/Mar/15 04:11
• Updated: 21/Mar/15 07:11
• Resolved: 17/Mar/15 08:41

Description

The static compiler should be able to optimize foreach style loops if the collection type is an array type:

int[] arr = ...
for(int x: arr) { ... }

Currently it relies on an iterator, making it much slower than it could be.