class Protobuf::Field::VarintField

def self.cached_varint(value)

values < CACHE_LIMIT (low numbers) which is defaulting to 1024
Because all tags and enums are calculated as VarInt it is "most common" to have 
def self.cached_varint(value)
  @_varint_cache ||= {}
  (@_varint_cache[value] ||= encode(value, false)).dup
end

def self.default 

def self.default
  0
end

def self.encode(value, use_cache = true) 

def self.encode(value, use_cache = true)
  return cached_varint(value) if use_cache && value >= 0 && value <= CACHE_LIMIT
  bytes = []
  until value < 128
    bytes << (0x80 | (value & 0x7f))
    value >>= 7
  end
  (bytes << value).pack('C*')
end

def acceptable?(val) 

def acceptable?(val)
  int_val = coerce!(val)
  int_val >= self.class.min && int_val <= self.class.max
rescue
  false
end

def coerce!(val) 

def coerce!(val)
  return val.to_i if val.is_a?(Numeric)
  Integer(val, 10)
end

def decode(value) 

def decode(value)
  value
end

def encode(value) 

def encode(value)
  ::Protobuf::Field::VarintField.encode(value)
end

def wire_type 

def wire_type
  ::Protobuf::WireType::VARINT
end