Thodoris Sotiropoulos created GROOVY-11467:
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Summary: Failed to find method when using method reference on a
class field
Key: GROOVY-11467
URL: https://issues.apache.org/jira/browse/GROOVY-11467
Project: Groovy
Issue Type: Bug
Components: Static Type Checker
Reporter: Thodoris Sotiropoulos
I have the following program
{code:java}
import java.util.function.Supplier;
interface A {
Double m();
}
interface B extends A {}
class C implements B {
public Double m() { return null; }
}
class Test {
B f = new C();
public void test() {
Supplier<Double> x = f::m;
}
} {code}
h3.
Actual behavior
The code is rejected with
{code:java}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
test.groovy: 17: Failed to find method 'm()' for the type: B @ line 17, column
26.
Supplier<Double> x = f::m;
^1 error
{code}
h3. Expected behavior
The code should have been compiled successfully.
h3. Notes
There are two requirements for this bug:
1) The type of the receiver should be an interface (e.g., B) that extends the
interface where the method is defined.
2) The receiver should be a field.
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