+That is a lot of code and it cannot be reused in a library (element type can vary). On the other side this operation is used pretty often so it was implemented as [[Eberon|eberon]] extension.
+
*indexOf* can be applied only if elements type can be used in relation operation, i.e. it cannot be applied to array of records or array of arrays.
*indexOf* can be applied only if elements type can be used in relation operation, i.e. it cannot be applied to array of records or array of arrays.
Vladislav Folts