mruby-yaml wraps libyaml and therefore complies with the YAML 1.1 standard. File IO is not supported, as this would create a dependency on other mruby gems.
If you need to check if a feature is supported at runtime, replace
SUPPORT_ for the runtime equivalent.
if YAML::SUPPORT_NULL YAML.load('null') == nil else YAML.load('null') == 'null' end
If you have a compiled version of
libyaml available on your system, you can use it by setting the environment variable
MRUBY_YAML_USE_SYSTEM_LIBRARY to a non-empty value and ensuring your compiler can find the library.
Otherwise, Rake will attempt to compile it from sources obtained from the offical
libyaml GitHub repository. This requires that you have
Converts a YAML 1.1 string to a Ruby object containing hashes, arrays, and strings. YAML scalars (i.e. strings) are converted to Fixnum or Floats if possible.
Converts a Ruby object to a YAML 1.1 string. Arrays, Hashes, and their subclasses are represented as YAML sequences and mapping nodes. Other objects are converted to strings and represented as scalars.