method

length

ruby latest stable - Class: Struct

length()

public

Returns the number of struct members.

Customer = Struct .new (:name, :address, :zip)
joe = Customer.new ("Joe Smith", "123 Maple, Anytown NC", 12345)
joe.length  #=> 3

VALUE
rb_struct_size(VALUE s)
{
 return LONG2FIX(RSTRUCT_LEN(s));
}