Implementation of Union,diff,inter,distinct method for the int array in LUA

functionlua_union (union_source,union_target)if type(Union_source) ~='Table' or type(Union_target) ~='Table'  Then        return {}; End; if# (Union_source) = =0  and# (Union_target) = =0  Then        return {}; End;  forI=1, # (Union_target) Do        Localflag=true;  forj=1, # (Union_source) Do            ifUNION_TARGET[I]==UNION_SOURCE[J] ThenFlag=false;  Break; End; End; ifflag==true  Then            Table.insert(Union_source,union_target[i])End; End; returnUnion_source;End;functionLua_diff (diff_source,diff_target)if type(Diff_source) ~='Table' or type(Diff_target) ~='Table'  Then        return {}; End; if# (Diff_source) = =0  and# (Diff_target) = =0  Then        return {}; End;  fori=# (Diff_source),1,-1  Do         forj=1, # (Diff_target) Do            ifDIFF_SOURCE[I]==DIFF_TARGET[J] Then                Table.remove(Diff_source,i); End; End; End; returnDiff_source;End;functionlua_distinct (Distinct_source)if type(Distinct_source) ~='Table'  Then        return {}; End;  forI=1, # (Distinct_source) Do         forj=# (Distinct_source), i+1,-1  Do            ifDISTINCT_SOURCE[I]==DISTINCT_SOURCE[J] Then                Table.remove(DISTINCT_SOURCE,J); End; End; End; returnDistinct_source;End;functionLua_inter (inter_source,inter_target)if type(Inter_source) ~='Table' or type(Inter_target) ~='Table'  Then        return {}; End;  fori=# (Inter_source),1,-1  Do         forj=1, # (Inter_target) Do            ifINTER_SOURCE[I]==INTER_TARGET[J] Then                Table.remove(Inter_source,i); End; End; End; returnInter_source;End;LocalResult1=lua_union ({},{3,3});LocalResult2=lua_diff ({1,2,3,4,5},{2,3});LocalResult3=lua_distinct ({1,1,2,1}) ;LocalResult4=lua_inter ({1,2,3,4,5},{1,2});

Implementation of Union,diff,inter,distinct method for the int array in LUA