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aaron 2023-08-08 21:33:11 +01:00
commit cb002f4f27
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17
src/memoize.luau Normal file
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local function memoize<X, Y>(f: (X) -> Y): ((X) -> Y, { [X]: Y })
local cache: { [X]: Y } = {}
return function(x: X): Y
local y: Y? = cache[x]
if not y then
y = f(x)
cache[x] = y
end
return y :: Y
end, cache
end
return memoize