Lua makes it possible to expose C/C++ objects to scripting.
This is called a ‘userdata’ type.
When we show an HL7/X12 tree as comes from the hl7.parse routine (see Health Level Seven HL7) this is a C++ data structure that we expose to Lua.
Lua makes it possible to expose C/C++ objects to scripting.
This is called a ‘userdata’ type.
When we show an HL7/X12 tree as comes from the hl7.parse routine (see Health Level Seven HL7) this is a C++ data structure that we expose to Lua.