R: Get or set the names of a list by expression

list.names {rlist} | R Documentation

## Get or set the names of a list by expression

### Description

Get or set the names of a list by expression

### Usage

    list.names(.data, expr)

### Arguments

`.data` | A `list` or `vector`
`expr` | the expression whose value will be set as the name for each list element. If missing then the names of the list will be returned. If `NULL` then the names of the list will be removed.

### Examples

    list.names(c(1,2,3))
    list.names(c(a=1,b=2,c=3))
    list.names(c(1,2,3),letters[.])
    list.names(list(list(name='A',value=10),list(name='B',value=20)), name)

[Package rlist version 0.4.6.1 Index]