Once

constructor()

Allocate a new Once.

This instance will be allocated on the native heap and automatically freed when this class instance is garbage collected.

constructor(scope: <Error class: unknown class>)

Allocate a new Once using the provided AutofreeScope.

The AutofreeScope manages the allocation lifetime. The most common usage is with memScoped.

scope

The AutofreeScope to allocate this structure in.

constructor(status: OnceStatus, retval: <Error class: unknown class>)

Allocate a new Once.

This instance will be allocated on the native heap and automatically freed when this class instance is garbage collected.

status

the status of the #GOnce

retval

the value returned by the call to the function, if @status is %G_ONCE_STATUS_READY

constructor(status: OnceStatus, retval: <Error class: unknown class>, scope: <Error class: unknown class>)