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keep

memoized_effect.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 calculate it
0.097dev (GIT hash 6a5de4939ddf29875c1d9a706508d9bfd0cd7ca9)
last changed: 2026-06-09