Description Usage Arguments Value Author(s) Examples
This generics are used to check whether a key exists in a given
hashset
or hashmap
.
1 2 3 4 5 6 7 8 9 |
x |
an |
key |
an arbitrary R object. Key to be checked for existence in the hash table. |
TRUE
or FALSE
.
Valerio Gherardi
1 2 3 |
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