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Indirect call and pass of function (Closure implementation based on function pointer)

Function pointer:

• /pointer function get <function name> <target> <targetObjective>
• /pointer function call <target> <targetObjective>

example：

• /scoreboard objectives add funcPointer pointer
• /scoreboard objectives add closure pointer
• /summon pig ~ ~ ~ {tags:["A"]}
• /summon pig ~ ~ ~ {tags:["B"]}
• /pointer function get custom:example/test @e[tag=A] funcPointer 
• /scoreboard players operation @e[tag=B]  closure = @e[tag=A] funcPointer 
• /pointer function call @e[tag=B]  closure   #the same as /pointer function call @e[tag=A]  funcPointer  and  /function custom:example/test.

 

Entity pointer:

• /pointer entity get <entity> <target> <targetObjective>
• @e[pointer={<target>=<targetObjective>}]

example：

• /scoreboard objectives add entityPointer pointer 
• /summon pig ~ ~ ~ {tags:["A"]}
• /summon pig ~ ~ ~ {tags:["OBJ"]}
• /pointer entity get @e[tag=OBJ,limit=1] @e[tag=A] entityPointer
• /kill @e[pointer={@e[tag=A]=entityPointer}] #the same as /kill @e[tag=OBJ] .

Pointers give commands more flexibility.

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• August 24, 2018 08:56
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  • September 19, 2018 18:09
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  I can't seem to figure out what exactly this would do; could you perhaps explain as well and not only list examples?