101 lines
1.8 KiB
Text
101 lines
1.8 KiB
Text
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def null
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func println { |
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print "\n" print
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}
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{ int | array-get } "get" "array" dyn-def-method
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{ int | array-len } "len" "array" dyn-def-method
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{ | array-set } "set" "array" dyn-def-method
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{ | with this ;
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def len this:len =len
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def i 0 =i
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while { i len lt } {
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i this:get
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i 1 + =i
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}
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} "to-stack" "array" dyn-def-method
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{ any | with type ;
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null clone type settype "construct" dyn-objcall
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} "new" "str" dyn-def-method
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construct ChangingArray {
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array
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;
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construct { this | with array this ;
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array this:=array
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this
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}
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push { | with item this ;
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[ this:array:to-stack item ] this:=array
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}
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}
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construct ShrinkingArray_trait {
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;
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pop { any | with this ;
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[ this:array:to-stack pop ] this:=array
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}
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}
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include ShrinkingArray_trait in ChangingArray
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"ChangingArray now has push and pop.";
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construct shadow { }
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"Copy array";
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func acopy { array | with arr1 arr2 idx1 idx2 len ;
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def i 0 =i
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while { i len lt } {
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(( i idx1 + ) arr1:get) (i idx2 +) arr2:set
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i 1 + =i
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}
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arr2
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}
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func aadd { array | with arr1 arr2 ;
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def newarr arr1:len arr2:len + anew =newarr
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arr1 newarr 0 0 arr1:len acopy =newarr
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arr2 newarr 0 arr1:len arr2:len acopy =newarr
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newarr
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}
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func [ { shadow |
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"array" "shadow" settype
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}
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func ] { array |
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"create an array containing everything on stack until the arrayshadow";
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def array 0 anew =array
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def array2
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while { dup [ eq not } {
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1 anew =array2
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0 array2:set
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array2 array aadd =array
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}
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pop array
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}
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def thing 1 anew =thing
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"hi" 0 thing:set
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def thing2 thing ChangingArray:new =thing2
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"world" thing2:push
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def thing3 thing2:array =thing3
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0 thing3:get println
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1 thing3:get println
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"\"heya\" println" dyn-read call
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