Create a new valid instance of the Class prototype lookup table
Arguments
- x
An object of any type
- type_chr
Type (a character vector), Default: character(0)
- val_chr
Value (a character vector), Default: character(0)
- pt_ns_chr
Prototype namespace (a character vector), Default: character(0)
- fn_to_call_chr
Function to call (a character vector), Default: character(0)
- default_val_chr
Default value (a character vector), Default: character(0)
- old_class_lgl
Old class (a logical vector), Default: logical(0)