sig (version 0.0-5)

is.sig: Is the input a sig?

Description

Does the input inherit from ``sig''?

Usage

is.sig(x)

Arguments

x

Object to test.

Value

TRUE if the object inherits from class ``sig'', and FALSE otherwise.

Examples

# NOT RUN {
stopifnot(
  is.sig(sig(with)),
  !is.sig(with)     #functions are not their signatures.
)
# }