Documentation for postfix
.+ assembled from the following types:
$foo.+meth walks the MRO and calls all the methods called
meth and submethods called
meth if the type is the same as type of
$foo. Those methods might be multis, in which case the matching candidate would be called.
is Ais B is Asay C.+foo; # OUTPUT: «from C␤from B␤from A␤(True True True)␤»