Insert keys or key/value pairs into an hash table.

These generics are used for inserting a single key or key/value pair into an hashset or hashmap, respectively. For vectorized insertions, see the subsetting_hashtables documentation page.

insert(x, key, ...)

# S3 method for class 'r2r_hashmap'
insert(x, key, value, ...)

# S3 method for class 'r2r_hashset'
insert(x, key, ...)

Arguments

x

an hashset or hashmap.

key

an arbitrary R object. Key to be inserted into the hash table.

...

further arguments passed to or from other methods.

value

an arbitrary R object. Value associated to key.

Value

key for the hashset method, value for the hashmap method.

Author

Valerio Gherardi

Examples

s <- hashset()
insert(s, "foo")
s[["foo"]]
#> [1] TRUE