strategies: Strategies for caching items.
Description
The function memo accepts an argument `key` which
specifies the keying strategy.
Usage
digest_key(fn, cache, digest = digest::digest)pointer_key(fn, cache)
hybrid_key(fn, cache, digest = function(x) digest::digest(x, "md5"))
Value
A memoized function.
Arguments
- fn
A function whose results should be cached.
- cache
A cache object.
- digest
A digest function to use.