[groovy-dev] Stackable Traits at runtime don't honor definition order

[MarcHadfield]

Hello all -

when defined at runtime, stackable traits don't seem to honor the order in
withTraits(), whereas when defined statically they do. This seems to be a
groovy bug. I don't have a JIRA account, but otherwise I would be glad to
report it in JIRA. Can someone please add this to JIRA or an admin add an
account for me?

Sample code with output follows.

Thanks!

Code:
trait D {
void methodA() { print "D"; super.methodA() }
}
trait C {
void methodA() { print "C"; super.methodA() }
}
trait B {
void methodA() { print "B"; super.methodA() }
}
trait A {
void methodA() { print "A" }
}

class M implements A, D, C, B { }
class Q {}

class MyDelegationTest {

static main(args) {

println ""

def m = new M()
print "Static: "
m.methodA()
println ""

def q = new Q().withTraits(A,D,C,B)
print "Dynamic: "
q.methodA()
println ""
}
}

With output:
(Correct Order) Static: BCDA
(Incorrect Order) Dynamic: DCBA

-- Marc



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