Fix the issue for name confliction between two used traits. - When a class use two or more traits, and the name of a method from one trait conflicts with an attribute from another one, composite will be fault for setting method proxys. - Solution is to skip attributes that is not callable when setting proxys.

divert([-1])

define([_arg1], [$1])

define([_foreach], [ifelse([$2], [()], [],
[define([$1], _arg1$2)$3[]_foreach([$1], (shift$2), [$3])])])

define([foreach], [pushdef([$1])_foreach($@)popdef([$1])])

divert[]dnl