[
https://issues.apache.org/jira/browse/GROOVY-8285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Harsh Gupta updated GROOVY-8285:
--------------------------------
Description:
This snippet does not compile.
{{
import groovy.transform.CompileStatic
@CompileStatic
class Scratch
{
public static void main(String[] args) {
List<bar> listA
List<foo> listB = new ArrayList<>()
listB.add(new foo())
listA = listB
}
}
class bar{
public int blah(){return 12;}
}
class foo extends bar{
public int boo() {return 42;}
}
}}
Compilation errors:
{{repro.groovy: 10: [Static type checking] - Incompatible generic argument
types. Cannot assign java.util.ArrayList <foo> to: java.util.List <bar>
@ line 10, column 21.
listA = listB
^
}}
was:
This snippet does not compile.
{{import groovy.transform.CompileStatic
@CompileStatic
class Scratch
{
public static void main(String[] args) {
List<bar> listA
List<foo> listB = new ArrayList<>()
listB.add(new foo())
listA = listB
}
}
class bar{
public int blah(){return 12;}
}
class foo extends bar{
public int boo() {return 42;}
}
}}
Compilation errors:
{{repro.groovy: 10: [Static type checking] - Incompatible generic argument
types. Cannot assign java.util.ArrayList <foo> to: java.util.List <bar>
@ line 10, column 21.
listA = listB
^
}}
> Static compilation does not accept subclasses for generic arguments
> -------------------------------------------------------------------
>
> Key: GROOVY-8285
> URL: https://issues.apache.org/jira/browse/GROOVY-8285
> Project: Groovy
> Issue Type: Bug
> Environment: Groovy Version: 2.4.12 JVM: 1.8.0_121 Vendor: Oracle
> Corporation OS: Mac OS X
> Reporter: Harsh Gupta
>
> This snippet does not compile.
> {{
> import groovy.transform.CompileStatic
> @CompileStatic
> class Scratch
> {
> public static void main(String[] args) {
> List<bar> listA
> List<foo> listB = new ArrayList<>()
> listB.add(new foo())
> listA = listB
> }
> }
> class bar{
> public int blah(){return 12;}
> }
> class foo extends bar{
> public int boo() {return 42;}
> }
> }}
> Compilation errors:
> {{repro.groovy: 10: [Static type checking] - Incompatible generic argument
> types. Cannot assign java.util.ArrayList <foo> to: java.util.List <bar>
> @ line 10, column 21.
> listA = listB
> ^
> }}
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