method

length

v1_9_3_392 - Show latest stable - 0 notes - Class: Struct

length() public

Returns the number of instance variables.

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

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