--- /dev/null
+ModuleTestClass { iso org(3) dod(6) internet(1) private(4) enterprise(1)
+ spelio(9363) software(1) asn1c(5) test(1) 18 }
+DEFINITIONS ::=
+BEGIN
+
+AlphaNumeric ::= IA5String (FROM("A".."Z" | "a".."z" | "0".."9"))
+
+FUNCTION ::= CLASS {
+ &code INTEGER (0..MAX) UNIQUE,
+ &Alphabet IA5String DEFAULT {AlphaNumeric},
+ &ArgType ,
+ &SupportedArguments &ArgType OPTIONAL,
+ &ResultType DEFAULT NULL,
+ &result-if-error &ResultType DEFAULT NULL,
+ &associated-function FUNCTION OPTIONAL
+}
+
+operator-plus FUNCTION ::= {
+ &ArgType Pair,
+ &SupportedArguments { PosPair | NegPair }
+ &ResultType INTEGER,
+ &result-if-error 0,
+ &code 1
+ }
+
+FunctionCodeType ::= FUNCTION.&code
+
+END