Return list of objects matching provided condition.
Usage
.get_item(list_obj, attribute, value, operator = `==`)
Arguments
- list_obj
List of R objects.
- attribute
Object attribute name.
- value
Object value.
- operator
Logical operator - two-argument function taking `list_obj` attribute
value as the first one, and `value` as the second one.
Value
A subset of list object matching provided condition.
Examples
my_list <- list(
list(id = 1, name = "a"),
list(id = 2, name = "b")
)
.get_item(my_list, "id", 1)
#> [[1]]
#> [[1]]$id
#> [1] 1
#>
#> [[1]]$name
#> [1] "a"
#>
#>
.get_item(my_list, "name", c("b", "c"), identical)
#> list()
