| pl::Array | Array(AV) | 
| pl::Boolean | Boolean class | 
| pl::BootstrapCtx | Special context class for bootstrap_* method | 
| pl::Carp | Croak/warn | 
| pl::Code | Coderef(CV) | 
| pl::Ctx | XSUB context class | 
| pl::CurCtx | Current context registrar | 
| pl::Double | Double(NV) | 
| pl::FileTest | FileTest is a utility class for file testing | 
| pl::Hash | hash(HV) | 
| pl::Int | Integer(IV) | 
| pl::Package | Package class | 
| pl::Pointer | Pointer class(blessed object, contains pointer for C struct/class/etc | 
| pl::Reference | Reference(RV) | 
| pl::Scalar | Scalar class(SV) | 
| pl::Str | String(PV) | 
| pl::UInt | Unsigned integer(UV) | 
| pl::Value | Abstract base class for perl values | 
 1.5.6
 1.5.6