mlr3misc (version 0.15.0)

insert_named: Insert or Remove Named Elements

Description

Insert elements from y into x by name, or remove elements from x by name. Works for vectors, lists, environments and data frames and data tables. Objects with reference semantic (environment() and data.table::data.table()) might be modified in-place.

Usage

insert_named(x, y)
# S3 method for `NULL`
insert_named(x, y)
# S3 method for default
insert_named(x, y)
# S3 method for environment
insert_named(x, y)
# S3 method for data.frame
insert_named(x, y)
# S3 method for data.table
insert_named(x, y)
remove_named(x, nn)
# S3 method for environment
remove_named(x, nn)
# S3 method for data.frame
remove_named(x, nn)
# S3 method for data.table
remove_named(x, nn)

Value

Modified object.

Arguments

x

(vector() | list() | environment() | data.table::data.table())
Object to insert elements into, or remove elements from. Changes are by-reference for environments and data tables.

y

(list())
List of elements to insert into x.

nn

(character())
Character vector of elements to remove.

Examples

x = list(a = 1, b = 2)
insert_named(x, list(b = 3, c = 4))
remove_named(x, "b")

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