Graeme Rocher created GROOVY-7763:
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Summary: Various problems with type inference in Groovy 2.4.6
Key: GROOVY-7763
URL: https://issues.apache.org/jira/browse/GROOVY-7763
Project: Groovy
Issue Type: Bug
Affects Versions: 2.4.6
Reporter: Graeme Rocher
Priority: Critical
After trying to upgrade Grails to Groovy 2.4.6 there are numerous problems with
@CompileStatic and type inference with Maps and Lists. If I had seen the vote
for the release in time I would have tested and voted -1, so sorry for only
reporting this afterwards.
This commits shows the changes I had to make in order to get Grails to compile
with Groovy 2.4.6:
https://github.com/grails/grails-core/commit/a6d70aaf7925fb7f2e847a803a8e1f3c95bf8cf8
You can see for example that previously returning a list initialised with
variables of the correct type compiled, but no longer does:
https://github.com/grails/grails-core/commit/a6d70aaf7925fb7f2e847a803a8e1f3c95bf8cf8#diff-3092a650525dc131a0394eca4282362bL35
Also empty lists and maps no longer seem to compile. See:
https://github.com/grails/grails-core/commit/a6d70aaf7925fb7f2e847a803a8e1f3c95bf8cf8#diff-07f8418b033d870eee3c1cee97e44f4cL121
https://github.com/grails/grails-core/commit/a6d70aaf7925fb7f2e847a803a8e1f3c95bf8cf8#diff-15a1d1d639cada3a0c85c7200547db02L40
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