class Erlang::ETF::LargeBig

| 1 | 4 | 1 | n | | — | — | —- | ————— | | 111 | n | Sign | d(0) … d(n-1) |

Same as [`SMALL_BIG_EXT`] with the difference that the length field is an unsigned 4 byte integer.

(see [`LARGE_BIG_EXT`])

[`SMALL_BIG_EXT`]: erlang.org/doc/apps/erts/erl_ext_dist.html#SMALL_BIG_EXT [`LARGE_BIG_EXT`]: erlang.org/doc/apps/erts/erl_ext_dist.html#LARGE_BIG_EXT

Constants

UINT32BE
UINT8

Public Class Methods

[](term) click to toggle source
# File lib/erlang/etf/large_big.rb, line 25
def [](term)
  return term if term.kind_of?(Erlang::ETF::Term)
  term = Erlang.from(term)
  return new(term)
end
erlang_load(buffer) click to toggle source
# File lib/erlang/etf/large_big.rb, line 31
def erlang_load(buffer)
  n, sign, = buffer.read(5).unpack(HEAD)
  integer = Erlang::Binary.decode_unsigned(buffer.read(n), :little)
  integer = -integer if sign == 1
  return new(integer)
end
new(term) click to toggle source
# File lib/erlang/etf/large_big.rb, line 39
def initialize(term)
  raise ArgumentError, "term must be of type Integer" if not Erlang.is_integer(term)
  @term = term
end

Public Instance Methods

erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING)) click to toggle source
# File lib/erlang/etf/large_big.rb, line 44
def erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING))
  buffer << LARGE_BIG_EXT
  buffer << [Erlang::ETF.intlog2div8(@term), (@term < 0) ? 1 : 0].pack(HEAD)
  buffer << Erlang::Binary.encode_unsigned(@term.abs, :little)
  return buffer
end