treat_string_as_expr: treat_string_as_expr(x)
In MilesMcBain/rlung: A Friendly Interface to Tidyeval

Description Usage Arguments Details Value Examples

Treat the string value of a variable as an expression in a dplyr function.

1	treat_string_as_expr(x)

`x`	a string to be treated as an expression.

This will parse a string and treat it as an expression to be evaluated in the context of a dplyr function call. This may be convenient when building expressions to evaluate at run-time.

something that will resolve to an expression when prefixed with '!!'

## Not run: 

## processing operations from other notation 
calc_result <- function(dat, operation){
  operation <- gsub('x', '*', operation)
  mutate(dat, result = !!treat_string_as_expr(operation))
}

calc_result(mtcars, "mpg x hp")

## End(Not run)