class Erlang::ETF::Atom
| 1 | 2 | Len | | — | — | ——– | | 100 | Len | AtomName |
An atom is stored with a 2 byte unsigned length in big-endian order, followed by `Len` numbers of 8 bit Latin1 characters that forms the `AtomName`.
Note: The maximum allowed value for `Len` is 255.
(see [`ATOM_EXT`])
[`ATOM_EXT`]: erlang.org/doc/apps/erts/erl_ext_dist.html#ATOM_EXT
Constants
- UINT16BE
Public Class Methods
[](term)
click to toggle source
# File lib/erlang/etf/atom.rb, line 25 def [](term) return term if term.kind_of?(Erlang::ETF::Term) term = Erlang.from(term) if not term.kind_of?(Erlang::Atom) return new(term) end
erlang_load(buffer)
click to toggle source
# File lib/erlang/etf/atom.rb, line 31 def erlang_load(buffer) size, = buffer.read(2).unpack(UINT16BE) data = buffer.read(size) return new(Erlang::Atom[data]) end
new(term)
click to toggle source
# File lib/erlang/etf/atom.rb, line 38 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
erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING))
click to toggle source
# File lib/erlang/etf/atom.rb, line 43 def erlang_dump(buffer = ::String.new.force_encoding(BINARY_ENCODING)) buffer << ATOM_EXT buffer << [@term.size].pack(UINT16BE) buffer << Erlang::ETF::Term.binary_encoding(@term.data) return buffer end