Annotation Glossary

A

allow-none

NULL is OK, both for passing and for returning.

E

element-type

Generics and defining elements of containers and arrays.

I

inout

Parameter for input and for returning results. Default is transfer full.

N

nullable

NULL may be passed as the value in, out, in-out; or as a return value.

O

optional

NULL may be passed instead of a pointer to a location.

out

Parameter for returning results. Default is transfer full.

S

skip

Exposed in C code, not necessarily available in other languages.

T

transfer container

Free data container after the code is done.

transfer full

Free data after the code is done.

transfer none

Don't free data after the code is done.