Apply right wrapped function to argument on left.
# S3 method for UnaryFn apply_left( pipe_left_arg, pipe_right_arg, pipe_environment, left_arg_name, pipe_string, right_arg_name )
pipe_left_arg | left argument should be a class derived from UnaryFn. |
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pipe_right_arg | substitute(pipe_right_arg) argument, should evaluate to a class derived from UnaryFn. |
pipe_environment | environment to evaluate in |
left_arg_name | name, if not NULL name of left argument. |
pipe_string | character, name of pipe operator. |
right_arg_name | name, if not NULL name of right argument. |
result