memoise: has_cache – R documentation

Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!

has_cache

Test whether a memoised function has been cached for particular arguments.

Test whether a memoised function has been cached for particular arguments.

has_cache(f)

`f`	Function to test.

A function, with the same arguments as f, that can be called to test if f has cached results.

mem_sum <- memoise(sum)
has_cache(mem_sum)(1, 2, 3) # FALSE
mem_sum(1, 2, 3)
has_cache(mem_sum)(1, 2, 3) # TRUE

Memoisation of Functions

v2.0.0

MIT + file LICENSE

Authors

Hadley Wickham [aut], Jim Hester [aut, cre], Winston Chang [aut], Kirill Müller [aut], Daniel Cook [aut], Mark Edmondson [ctb]

Initial release