RosettaCodeData/Task/Introspection/E/introspection-2.e

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2013-04-10 21:29:02 -07:00
escape fail {
def &x := meta.getState().fetch("&bloop", fn { fail("no bloop") })
if (!x.__respondsTo("abs", 0)) { fail("no abs") }
x.abs()
}