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...struct my_xform { template auto operator()( plus_tag, my_expr const & lhs, my_expr const & rhs) { return /*...*/; } };
struct my_xform { template auto operator()( plus_tag, my_expr const & lhs, my_expr const & rhs) { return /*...*/; } };
struct my_xform {
template auto operator()( plus_tag, my_expr const & lhs, my_expr const & rhs) { return /*...*/; }
};
It now occurs to me that if my_expr is not , but , a transform would be able to match it without knowing the tuple type.
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