dot-set1: Process Sets
In extraoperators: Extra Binary Relational and Logical Operators

Description Usage Arguments Value Examples

This is an internal function and not intended to be used directly. It processes small sets.

1	.set1(x, envir)

`x`	A character string
`envir`	An environment in which to evaluate values

A data frame with the processed set

## ## below is an example that should generate an (informative) error
## extraoperators:::.set1("(-Inf,x)", envir = environment())

z <- max(mtcars$mpg)
extraoperators:::.set1("(-Inf,z)", envir = environment())

extraoperators:::.set1("(-Inf,30)", envir = environment())

## clean up
rm(z)