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https://issues.apache.org/jira/browse/GROOVY-11287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17949793#comment-17949793
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Eric Milles commented on GROOVY-11287:
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Let me see if I can come up with a limited scope that can be widened
little-by-little. My experiment was for all assignment expressions. I might
start with just variables, then plus (+), then minus (-) and so on.
> Perform constant folding for basic math calculations in CS
> ----------------------------------------------------------
>
> Key: GROOVY-11287
> URL: https://issues.apache.org/jira/browse/GROOVY-11287
> Project: Groovy
> Issue Type: New Feature
> Components: performance, Static compilation
> Reporter: Oscar N
> Assignee: Eric Milles
> Priority: Major
>
> I have the following Groovy code and its Java equivalent:
> {code:groovy}
> @CompileStatic
> final class Main {
> private static final int ONE = 1
> static void main(String[] args) {
> int two = ONE + 1
> println two
> }
> }
> {code}
> {code:java}
> public final class JavaMain {
> private static final int ONE = 1;
> public static void main(String[] args) {
> int two = ONE + 1;
> System.out.println(two);
> }
> }
> {code}
> In Groovy, it currently compiles to:
> {code}int two = ONE + 1{code}
> In Java, the calculation is done at compile-time and inlined:
> {code}int two = 2{code}
> It would be great if Groovy also did this.
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