You're right, Laurent. You only calculate the sort value once in the first call to map, so there's no savings to be made by caching.

Those two techniques must be stored together in the "neat things to use with sort" area of my brain. Apologies.

Sometimes I can think of 6 impossible LDAP attributes before breakfast.

In reply to Re^3: having trouble with a schwartzian transform by Ea
in thread having trouble with a schwartzian transform by fionbarr

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