on_missing_key {r2r} | R Documentation |
On missing key behaviour
Description
These generics are used to get or set the behaviour of an
hashmap
upon query of a missing key (currently, only an
hashmap
method is implemented).
Usage
on_missing_key(x)
on_missing_key(x) <- value
## S3 method for class 'r2r_hashmap'
on_missing_key(x)
## S3 replacement method for class 'r2r_hashmap'
on_missing_key(x) <- value
Arguments
x |
an |
value |
a string, either |
Details
For more details, see the hashtable documentation page.
Value
a string, either "throw"
or "default"
.
Author(s)
Valerio Gherardi
Examples
m <- hashmap()
on_missing_key(m)
on_missing_key(m) <- "throw"
[Package r2r version 0.1.1 Index]