omit_args does not work with default values

[venpopov]

library(memoise)

f <- function(n, x = 0) {
  rnorm(n)
}

fm <- memoise(f, omit_args = "x")

fm(1)
#> [1] -0.008028243
fm(1)
#> [1] -0.008028243
fm(1, x = 0)
#> [1] -0.8423555
fm(1, x = 0)
#> [1] -0.8423555
fm(1, x = 1)
#> [1] -0.8423555
fm(1)
#> [1] -0.008028243

^{Created on 2026-02-13 with reprex v2.1.1}