Print all fields of a single option

dump_opt(opt, opt_name)

Arguments

opt	the option object returned by `set_opt` or `setGlobalOptions`.
opt_name	a single name of the option.

Details

Actually this function is identical to opt[opt_name].

Examples

opt = set_opt(a = 1, b = "b")
dump_opt(opt, "a")
#>                    Field                   Value
#>                     name                       a
#>            default_value                       1
#>            current_value                       1
#>                   length                no limit
#>                    class                no limit
#>                 validate a user-defined function
#>               failed_msg Your option is invalid.
#>                   filter a user-defined function
#>                read.only                   FALSE
#>                  private                   FALSE
#>                  visible                    TRUE
#>              description                      ""
#>  __generated_namespace__             R_GlobalEnv
dump_opt(opt, "b")
#>                    Field                   Value
#>                     name                       b
#>            default_value                       b
#>            current_value                       b
#>                   length                no limit
#>                    class                no limit
#>                 validate a user-defined function
#>               failed_msg Your option is invalid.
#>                   filter a user-defined function
#>                read.only                   FALSE
#>                  private                   FALSE
#>                  visible                    TRUE
#>              description                      ""
#>  __generated_namespace__             R_GlobalEnv