pipe_impl: Pipe dispatch implementation.
Description
This is a helper for implementing additional pipes.
Usage
pipe_impl(pipe_left_arg, pipe_right_arg, pipe_environment, pipe_string = NULL)
Arguments
pipe_left_arg
substitute(pipe_left_arg) argument.
pipe_right_arg
substitute(pipe_right_arg) argument.
pipe_environment
environment to evaluate in.
pipe_string
character, name of pipe operator.