mlr3misc (version 0.1.0)

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 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)

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.

Value

Modified object.

Examples

# NOT RUN {
x = list(a = 1, b = 2)
insert_named(x, list(b = 3, c = 4))
remove_named(x, "b")
# }