- RETURN_BOOLbool RETURN_BOOL(Value* args, bool val) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_ERRORbool RETURN_ERROR(WrenVM* vm, const(char)* fmt, ...) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_ERRORbool RETURN_ERROR(WrenVM* vm, const(char)* msg) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_FALSEbool RETURN_FALSE(Value* args) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_NULLbool RETURN_NULL(Value* args) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_NUMbool RETURN_NUM(Value* args, N val) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_OBJbool RETURN_OBJ(Value* args, T* obj) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_TRUEbool RETURN_TRUE(Value* args) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- RETURN_VALbool RETURN_VAL(Value* args, Value v) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- calculateRangeuint calculateRange(WrenVM* vm, ObjRange* range, uint* length, int* step) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateFnbool validateFn(WrenVM* vm, Value arg, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateIndexuint validateIndex(WrenVM* vm, Value arg, uint count, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateIndexValueuint validateIndexValue(WrenVM* vm, uint count, double value, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateIntbool validateInt(WrenVM* vm, Value arg, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateIntValuebool validateIntValue(WrenVM* vm, double value, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateKeybool validateKey(WrenVM* vm, Value arg) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateNumbool validateNum(WrenVM* vm, Value arg, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it. 
- validateStringbool validateString(WrenVM* vm, Value arg, const(char)* argName) 
- Undocumented in source. Be warned that the author may not have intended to support it.