getone-list-method: Get an element by index or name from a list

In Xmisc: Xiaobei's miscellaneous classes and functions

Description

Get an element by index or name from a list

Usage

## S4 method for signature 'list'
getone(obj, x, safe = TRUE, msg = TRUE)

Arguments

obj	list
x	index or name of an element
safe	whether allow to get an element by index, in case this element is after any named element
msg	whether print a message

Value

list

Author(s)

Xiaobei Zhao

Examples

ll <- list(11,22,33,a=44,b=55,66,77,c=88,99)
getone(ll,numeric())
getone(ll,"a")
getone(ll,"c")
getone(ll,1)
getone(ll,7)
getone(ll,7,safe=FALSE)

Xmisc documentation built on May 2, 2019, 8:23 a.m.