Feature request: rlang/purrr-style anonymous functions in stat_function

[dkahle]

It'd be nice to be able to specify rlang/purrr style anonymous functions in stat_function():

df <- data.frame(x = 1:10, y = (1:10)^2)
ggplot(df, aes(x, y)) + 
  geom_point() +
  stat_function(fun = ~ .x^2)

Associated pull request forthcoming.

[yutannihilation]

@hadley @thomasp85 @clauswilke
Because of the popularity of rlang-style lambda notation among tidyverse packages, I think it's natural to accept this proposal. (I'm going to make similar changes all over the places in ggplot2 where the users can use functions). Any concerns?

[clauswilke]

Other than the comments I made, no concerns.

[lock]

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