Annotation Glossary: Zapojit Reference Manual

# Annotation Glossary

### A

allow-none

  NULL is OK, both for passing and for returning.

### C

closure

  This parameter is a 'user_data', for callbacks; many bindings can pass NULL here.

### E

element-type

  Generics and defining elements of containers and arrays.

### S

scope async

  The callback is valid until first called.

### T

transfer full

  The caller owns the data, and is responsible for free it.

transfer none

  The data is owned by the callee, which is responsible of freeing it.