Utilities for handling with classes — utils_class • metan

Utilities for handling with classes

Usage

add_class(x, class)

has_class(x, class)

remove_class(x, class)

set_class(x, class)

Arguments

x: An object
class: The class to add or remove

Value

The object x with the class added or removed.

Details

add_class(): add a class to the object x keeping all the other class(es).
has_class(): Check if a class exists in object x and returns a logical value.
set_class(): set a class to the object x.
remove_class(): remove a class from the object x.

Author

Tiago Olivoto tiagoolivoto@gmail.com

Examples

# \donttest{
library(metan)
df <-
data_ge2 %>%
add_class("my_class")
class(df)
#> [1] "tbl_df"     "tbl"        "data.frame" "my_class"  
has_class(df, "my_class")
#> [1] TRUE
remove_class(df, "my_class") %>% class()
#> [1] "tbl_df"     "tbl"        "data.frame"
set_class(df, "data_frame") %>% class()
#> [1] "data_frame"
# }