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Posted to notifications@groovy.apache.org by "Dwi Elfianto (JIRA)" <ji...@apache.org> on 2018/10/24 12:20:00 UTC
[jira] [Created] (GROOVY-8856) Trait with generic will fail
compilation if it has a static method that return the defined generic type.
Dwi Elfianto created GROOVY-8856:
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Summary: Trait with generic will fail compilation if it has a static method that return the defined generic type.
Key: GROOVY-8856
URL: https://issues.apache.org/jira/browse/GROOVY-8856
Project: Groovy
Issue Type: Bug
Components: Compiler
Affects Versions: 2.5.3, 2.5.2, 2.5.1, 2.5.0
Environment: macOS 10.14
OpenJDK 1.8.0_181-b02
Reporter: Dwi Elfianto
If you define a trait with generic type T and have a static method that return that type, compilation will fail with message:{{}}
{code:java}
Error:(5, 5) Groovyc: unable to resolve class T{code}
Simple code for reproducing this bug:
{code:java}
trait MyTrait<T extends List> {
static T myMethod() {
return [1, 2, 3]
}
}{code}
Groovy 2.4.x does not have this issue, from my testing this only happen in 2.5.x
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