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Annotation Glossary

A

allow-none

NULL is OK, both for passing and for returning.

array

Parameter points to an array of items.

E

element-type

Generics and defining elements of containers and arrays.

O

out

Parameter for returning results. Default is transfer full.

out caller-allocates

Out parameter, where caller must allocate storage.

S

scope async

The callback is valid until first called.

scope call

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

skip

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

Stable

The intention of a Stable interface is to enable arbitrary third parties to develop applications to these interfaces, release them, and have confidence that they will run on all minor releases of the product (after the one in which the interface was introduced, and within the same major release). Even at a major release, incompatible changes are expected to be rare, and to have strong justifications.

T

transfer full

Free data after the code is done.

transfer none

Don't free data after the code is done.

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