PNWeakRef Struct Reference

a weak ref is used for upvals, it acts as a memory slot, non-volatile but mutable. More...

#include <potion.h>

Public Member Functions
PN	potion_ref (Potion *P, PN data)
PN	potion_ref_string (Potion *P, PN cl, PN self, PN len)
#define	PN_DEREF(x)   ((struct PNWeakRef *)(x))->data

Data Fields
	PN_OBJECT_HEADER
	PNType vt; PNUniq uniq. More...
PN	data

Detailed Description

a weak ref is used for upvals, it acts as a memory slot, non-volatile but mutable.

Definition at line 479 of file potion.h.

Member Function Documentation

PN potion_ref	(	Potion *	P,
		PN	data
	)

PNWeakRef constructor, get or set the attached ref data

Parameters

data	- non-volatile but mutable

Returns

if is_ref data returns data, else create and return a new PNWeakRef to data

Definition at line 467 of file objmodel.c.

PN potion_ref_string	(	Potion *	P,
		PN	cl,
		PN	self,
		PN	len
	)

"string" of a ref, a PNWeakRef object

Returns

"\<ref>"

Definition at line 477 of file objmodel.c.

Field Documentation

PNWeakRef::PN_OBJECT_HEADER

PNType vt; PNUniq uniq.

Definition at line 480 of file potion.h.

PN PNWeakRef::data

Definition at line 481 of file potion.h.

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The documentation for this struct was generated from the following files:

• potion.h
• objmodel.c