a closure is an anonymous function, without closed values, More...

#include <potion.h>

Collaboration diagram for PNClosure:

Public Member Functions
PN	potion_closure_code (Potion *P, PN cl, PN self)

PN	potion_closure_string (Potion *P, PN cl, PN self, PN maxlen)

PN	potion_closure_arity (Potion *P, PN cl, PN self)

PN	potion_closure_minargs (Potion *P, PN cl, PN self)

#define	PN_CLOSURE(x) ((struct PNClosure *)(x))

#define	PN_CLOSURE_F(x) ((struct PNClosure *)(x))->method

#define	PN_FUNC(f, s) potion_closure_new(P, (PN_F)f, potion_sig(P, s), 0)

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

PN_F	method

PN	sig
	signature PNTuple More...

int	arity
	cached number of declared args, including optional More...

int	minargs
	cached number of mandatory args, without optional More...

PN_SIZE	extra
	0 or 1 if has code attached at data More...

PN	name

PN	data []
	PNString. More...

Detailed Description

a closure is an anonymous function, without closed values,

See also: PNProto non-volatile.

Definition at line 372 of file potion.h.

Member Function Documentation

PN potion_closure_code	(	Potion *	P,
		PN	cl,
		PN	self
	)

"send" method, call a method on self by name

Parameters

self
method

Returns: the result of the method call

Definition at line 42 of file objmodel.c.

PN potion_closure_string	(	Potion *	P,
		PN	cl,
		PN	self,
		PN	maxlen
	)

"string" of a function proto, unserializable. without body.

Parameters

maxlen (ignored)

Returns: rough protoype as string. "function(arg1, arg2)"

Definition at line 52 of file objmodel.c.

PN potion_closure_arity	(	Potion *	P,
		PN	cl,
		PN	self
	)

"arity" method, optional args do count.

Returns: number of args as PNInteger

closure_new aka PN_FUNC sets arity, always use the cached value

Definition at line 64 of file objmodel.c.

PN potion_closure_minargs	(	Potion *	P,
		PN	cl,
		PN	self
	)

Number of mandatory arguments, without optional args.

Returns: number of args as PNInteger

closure_new aka PN_FUNC sets arity, always use the cached value

Definition at line 71 of file objmodel.c.

Field Documentation

PNClosure::PN_OBJECT_HEADER

PNType vt; PNUniq uniq.

Definition at line 373 of file potion.h.

PN_F PNClosure::method

Definition at line 374 of file potion.h.

PN PNClosure::sig

signature PNTuple

Definition at line 375 of file potion.h.

int PNClosure::arity

cached number of declared args, including optional

Definition at line 376 of file potion.h.

int PNClosure::minargs

cached number of mandatory args, without optional

Definition at line 377 of file potion.h.

PN_SIZE PNClosure::extra

0 or 1 if has code attached at data

Definition at line 378 of file potion.h.

PN PNClosure::name

Definition at line 379 of file potion.h.

PN PNClosure::data[]

PNString.

code

Definition at line 380 of file potion.h.

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

Public Member Functions

Data Fields

Detailed Description

Member Function Documentation

Field Documentation