Scott Murphy Heiberg created GROOVY-12611:
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Summary: A private or static trait method called from a closure
ignores the closure's delegate
Key: GROOVY-12611
URL: https://issues.apache.org/jira/browse/GROOVY-12611
Project: Groovy
Issue Type: Bug
Affects Versions: 5.0.8, 4.0.33, 6.0.0
Reporter: Scott Murphy Heiberg
{code:groovy}
trait T {
private int size() { 1 } // or: static int size() { 1 }
def m() { [5, 6].with { size() } }
}
class C implements T {}
assert new C().m() == 2
{code}
Actual: 1, in dynamic, @TypeChecked and @CompileStatic code. The same happens
for a static trait method called from a static trait method.
Expected: 2, as for the same code in a class. The delegate's method is used
when the resolve strategy tries the delegate first and the delegate has the
method. Otherwise the trait method is called. A public instance trait method
already behaves this way.
Cause: TraitReceiverTransformer rewrites an implicit-this call to a private or
static trait method inside a closure into a direct call on the trait helper
class, so the closure's delegate is never consulted.
Seen in 4.0.33, 5.0.8 and 6.0.0 (4.0.33 is right for public static methods).
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