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keep

memoize.memoized.keep

(k K, f Unary V K)
 => 
V
use this memoized effect to retrieve the value for a given key or,
if that value was not calculated yet, to return it
0.095dev (2025-08-15 12:02:22 GIT hash 301b5b75e77076d091b38f555473f9f0e31e5b5c built by fridi@fzen)