This reminds me of the Tri-State logic node going on a while ago...lost the node_id, sorry.

Do you mean Ternary operator (there's no Trinary operator )?

Update: Or perhaps:

HTH,

planetscape

In reply to Re^2: An idiom for selecting true, false, or undef. by planetscape
in thread An idiom for selecting true, false, or undef. by kyle

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