Why do grid_latin_hypercube and grid_max_entropy return object of only class tibble?

[cimentadaj]

The problem

I'm having trouble understanding why grid_latin_hypercube and grid_max_entropy only return objects of class tibble (and data frame, etc..) when grid_regular and grid_random return objects with custom classes of param_grid. I'm planing to create methods for tuning grids and I stumbled into this. Is this a design choice?

Have you considered adding a custom class to these two tuning grids as well?

Reproducible example

library(dials)
#> Loading required package: scales
class(grid_latin_hypercube(penalty(), mixture()))
#> [1] "tbl_df"     "tbl"        "data.frame"
class(grid_max_entropy(penalty(), mixture()))
#> [1] "tbl_df"     "tbl"        "data.frame"

# Whereas grid_regular and grid_random do have
class(grid_random(penalty(), mixture()))
#> [1] "grid_random" "param_grid"  "tbl_df"      "tbl"         "data.frame"
class(grid_regular(penalty(), mixture()))
#> [1] "grid_regular" "param_grid"   "tbl_df"       "tbl"          "data.frame"

[topepo]

It was an oversight; corrected in 611260d

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