invert: Invert a structure by swapping keys and values

In decisionpatterns/searchable: Customize Search/Slice/Subset Behavior for Accessing Subsets of List, Vectors, Environments, Hashes and Other R Objects

Description

Invert a structure by swapping keys and values

Usage

invert(x)

## S4 method for signature 'vector'
invert(x)

## S4 method for signature 'Searchable'
invert(x)

## S4 method for signature 'list'
invert(x)

Arguments

x	object to invert

Details

Inverts named vectors

Value

A character vector in which the names are the former valeus.

Note

- currently applies to atomic vectors only - apply to list (recursive structures), data.frames, matrices and arrays - invert might be an ambiguous name ... call it swap_kv? kvswap? swapKV? swapNV?

Examples

v <- 1:26
 names(v) <- letters

 invert(v)

 l <- as.list(v)

decisionpatterns/searchable documentation built on Jan. 8, 2019, 3:28 a.m.