# Annotation Glossary

### A

array

  Parameter points to an array of items.

allow-none

  NULL is ok, both for passing and for returning.

### E

element-type

  Generics and defining elements of containers and arrays.

### I

in

  Parameter for input. Default is transfer none.

### S

scope call

  The callback is valid only during the call to the method.

### T

transfer full

  Free data after the code is done.

transfer none

  Don't free data after the code is done.