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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
0.098dev (GIT hash b44352b4c68decbc58a097b291a1c8f3a5a05486)
last changed: 2026-07-03