%-=% {refer}

Subtract In Place

Description

Decrease the value of an object on the search path. Equivalent to '-=' in other languages. See incr for details on implementation.

Usage

x %-=% value

Arguments

x

object to be modified; can be a symbol, character, or extraction language object.

value

value with which to change x by

Value

the new value of x, invisibly

Examples

x <- 11:20
x %-=% 10
identical(x, 1:10)  # TRUE