uses lang.Type

/*
 {"description" : "Basic utilities for querying type fields."}
*/

interface TypeUtil {
	
	const TypeField NOT_FOUND = INT_MAX
	
	/*
	 {"@description" : "Get the index of a named field on a data instance, or NOT_FOUND if there is no such field."}
	*/
	TypeField getField(Data d, char fieldName[])
	
	/*
	 {"@description" : "Get the index of a named transfer field on an object, or NOT_FOUND if there is no such field."}
	*/
	TypeField getObjectField(Object o, char fieldName[])
	
	/*
	 {"@description" : "Get the index of a named event source on an object, or NOT_FOUND if there is no such event."}
	*/
	TypeField getObjectEvent(Object o, char fieldName[])
	
	/*
	 {"@description" : "Get the index of a named function, with parameter types, on an object - or NOT_FOUND if there is no such function."}
	*/
	TypeField getObjectFunction(Object o, char fieldName[], Type signature)
	
	}