Эмуляция объектов. Эволюция

https://bitbucket.org/lulinalex/mindstream/src/745096ee6353c289bd13a70bfb7a05a6273c3765/Examples/Scripts/Point1/Point94.ms.script

class Point

Pixel member X
Pixel member Y
members-end

constructor :
 Pixel RightParam aX
 Pixel RightParam aY
 new[ aX |^ aY |^ ] >>> Result
; // :

constructor 0
 Point:: 0 0 >>> Result
; // 0

constructor XY
 PixelList right aPoint
 array var Points
 [ aPoint ] >>> Points
 Point:: ( Points FieldByOffset 0 ) ( Points FieldByOffset 1 ) >>> Result
; // XY

Pixel readonly X read X

Pixel readonly Y read Y

constructor OF
 Point right aPoint
 Point:: ( aPoint Point:X ) ( aPoint Point:Y ) >>> Result
; // OF

Point method +
 Point right aPoint

 Point:: ( Self Point:X (+) ( aPoint Point:X ) ) ( Self Point:Y (+) ( aPoint Point:Y ) ) >>> Result
; // +

Point method Neg
 Point:: Neg ( Self Point:X ) Neg ( Self Point:Y ) >>> Result
; // Neg

Point method -
 Point right aPoint

 Point:OF ( Self Point:+ ( aPoint Point:Neg ) ) >>> Result
; // -

void method Print
 [ '( ' 'X: ' Self Point:X ToPrintable ', Y: ' Self Point:Y ToPrintable ' )' ] strings:Cat Print
; // Print

USES
 CodeDump.ms.dict
;

@SELF DumpElement

Point var P1
Point var P2
Point var P3
Point var P4
Point var P5
Point var P6
Point var P7
Point var P8
Point var P9
Point var P10
Point var P11

P1 := Point:0
P2 := Point:0
P3 := Point:: 1 1
P4 := Point:XY ( 2 2 )
P5 := Point:OF P4
P6 := ( P3 Point:+ P4 )
P7 := ( P3 Point:- P4 )
P8 := ( P4 Point:- P3 )
P9 := ( P4 Point:Neg )
P10 := ( P3 Point:Neg )
P11 := Point:XY ( -2 2 )

Object var O1
O1 := P1
O1 Point:Print

array var l_Points

[ P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 ] >>> l_Points

for l_Points Point:Print
for l_Points ( Point:X Print )
for l_Points ( Point:Y Print )
for l_Points ( Object:class Print )
for l_Points ( Object:ClassName Print )
for l_Points ( for ( Object:class %G ) ( getClassName Print ) )