[GROOVY-8595] Expected parameter of type XXX but got YYY static compile error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.0-rc-3
• Fix Version/s: 2.6.0-alpha-4, 3.0.0-alpha-3, 2.5.1
• Component/s: Static compilation
• Assignee: John Wagenleitner
• Reporter: paolo di tommaso
• Created: 22/May/18 22:17
• Updated: 26/Jul/18 04:38
• Resolved: 01/Jun/18 10:53

Description

The following code report a compilation error:

@CompileStatic
class Test {
  List<Foo> foo() {
    return []
  }

  List<String> bar() {
    return foo().collect { Foo it -> it.instanceId }
  }
}

@CompileStatic
class Foo {
  String instanceId
}

 

Error message

Test.groovy: 36: Expected parameter of type java.lang.String but got nextflow.Foo

@ line 36, column 32.

           return foo().collect { Foo it -> it.instanceId }

                                  ^

Test.groovy: 36: [Static type checking] - No such property: instanceId for class: java.lang.String

@ line 36, column 42.

   urn foo().collect { Foo it -> it.instanc

Issue Links

• is related to: GROOVY-8590 STC incorrectly infers type of nested method call used in a return stmt
• links to: GitHub Pull Request #739