| name {base} | R Documentation |
Variable Names or Symbols, respectively
Description
as.symbol coerces its argument to be a symbol, or
equivalently, a name. The argument must
be of mode "character". as.name is an
alias for as.symbol.
is.symbol (and is.name equivalently) returns TRUE
or FALSE depending on whether its argument is a symbol
(i.e. name) or not.
Usage
as.symbol(x)
is.symbol(y)
as.name(x)
is.name(y)
Arguments
x, y |
objects to be coerced or tested. |
Note
The term “symbol” is from the lisp background of R, whereas “name” has been the standard S term for this.
See Also
call, is.language. For the internal
object mode, typeof.
Examples
an <- as.name("arrg")
is.name(an) # TRUE
str(an)# symbol