class Erlang::ETF::SmallAtom
| 1 | 1 | Len | | — | — | ——– | | 115 | Len | AtomName |
An atom is stored with a 1 byte unsigned length, followed by `Len` numbers of 8 bit Latin1 characters that forms the `AtomName`. Longer atoms can be represented by [`ATOM_EXT`].
Note the [`SMALL_ATOM_EXT`] was introduced in erts version 5.7.2 and require an exchange of the [`DFLAG_SMALL_ATOM_TAGS`] distribution flag in the [distribution handshake].
(see [`SMALL_ATOM_EXT`])
[`ATOM_EXT`]: erlang.org/doc/apps/erts/erl_ext_dist.html#ATOM_EXT [`DFLAG_SMALL_ATOM_TAGS`]: erlang.org/doc/apps/erts/erl_dist_protocol.html#dflags [distribution handshake]: erlang.org/doc/apps/erts/erl_dist_protocol.html#distribution_handshake [`SMALL_ATOM_EXT`]: erlang.org/doc/apps/erts/erl_ext_dist.html#SMALL_ATOM_EXT
Constants
- UINT8
Public Class Methods
# File lib/erlang/etf/small_atom.rb, line 30 def [](term) return term if term.kind_of?(Erlang::ETF::Atom) return term if term.kind_of?(Erlang::ETF::AtomUTF8) return term if term.kind_of?(Erlang::ETF::SmallAtom) return term if term.kind_of?(Erlang::ETF::SmallAtomUTF8) term = Erlang.from(term) if not term.kind_of?(Erlang::Atom) return new(term) end
# File lib/erlang/etf/small_atom.rb, line 39 def erlang_load(buffer) size, = buffer.read(1).unpack(UINT8) data = buffer.read(size) return new(Erlang::Atom[data]) end
# File lib/erlang/etf/small_atom.rb, line 46 def initialize(term) raise ArgumentError, "term must be of type Erlang::Atom" if not term.kind_of?(Erlang::Atom) @term = term end
Public Instance Methods
# File lib/erlang/etf/small_atom.rb, line 51 def erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING)) buffer << SMALL_ATOM_EXT buffer << [@term.size].pack(UINT8) buffer << Erlang::Terms.binary_encoding(@term.data) return buffer end