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Associative array/Creation: Difference between revisions
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Usually, in J, you would use a named pair of (same length) lists for this purpose - one of keys, one of values. There are a number of details here that vary with the the intended use patterns. (First you get it working and then if you run into bottlenecks you rebuild things to relieve the problems).
<lang J>coclass 'assocArray'
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