Returns the key comparison function of an hash table
(hashset
or hashmap
).
compare_fn(x)
# S3 method for class 'r2r_hashtable'
compare_fn(x)
a function.
s <- hashset()
compare_fn(s)
#> function (x, y)
#> compare_fn(key_preproc_fn(x), key_preproc_fn(y))
#> <bytecode: 0x560233c8cd60>
#> <environment: 0x560233c90378>