nd-vwk-idv-map

• a special map
• hash: uint
• key: [uint,uint]
• val: uint

install

• npm install nd-vwk-idv-map

usage

  const  x  = require("nd-vwk-idv-map");

example

        var mp = x(2**24, 2**24);
        console.log(
            mp.dyn_dummy_slot,
            mp.sentinel_slot
        );
        console.log(mp.meta_desc_);

                        //hash  

        console.log("has",mp.has(100,1,2));

        var pair = mp.add(100,1,2,111);     
        var slot = pair[1];
        console.log(slot, mp.get_bucket_nd(100), mp.get_dict_at_slot(slot))

        console.log(mp.has(100,1,2));
        console.log("get",mp.get(100,1,2));


        console.log("aft modify value of 100,1,2 to 999", mp.put(100,1,2,999));

        console.log(mp.has(100,1,2));
        console.log("get",mp.get(100,1,2));


        pair = mp.set(100,1,2,888);
        slot = pair[1];
        console.log(slot,mp.get_dict_at_slot(slot));


        pair = mp.set(100,133,155,777);
        slot = pair[1];
        console.log(slot,mp.get_dict_at_slot(slot));


        console.log(mp.jstr())










        pair     = mp.add(100,10,20,1000);  
        var slot = pair[1];
        console.log(
            mp.get_bucket_nd(100), 
            slot, 
            mp.get_dyn_nd(1), 
            mp.get_dict_at_slot(slot)
        );

        console.log(mp.meta_desc_);



        mp.add(101,11,21,1001);
        mp.add(102,12,22,1002);
        mp.add(103,13,23,1003);

        console.log(mp.meta_desc_);

        console.log(mp.jstr());

        mp.for_each_of_hash(100, (ksi,ksz,val)=>{console.log(ksi,ksz,val)})

        console.log("-----------------------------------------------------------");

        mp.for_each((ksi,ksz,val)=>{console.log(ksi,ksz,val)});

        console.log("================================");


        mp.for_each((ksi,ksz,val)=>{console.log(ksi,ksz,val)});


        console.log("swap 100 1 2  100 133 155")
        console.log(mp.swap(
            100,1,2,
            100,133,155
        ));

        console.log("</swap>")



        mp.for_each((ksi,ksz,val)=>{console.log(ksi,ksz,val)});



        console.log("===============");




        mp.del(100,1,2);
        console.log(mp.jstr());
        mp.del(100,133,155);
        console.log(mp.jstr());

METHODS

  .has(hash, ksi,ksz); -> bool
  .get(hash, ksi,ksz); -> value 
  .add(h,si,sz,v)      -> [bool, slot/reason]      //  add if NOT exist
  .put(h,si,sz,v)      -> bool                     //  modify value if Exist  
  .del(hash,ksi,ksz)   -> bool

  .set(h,si,sz,v) // .add if NOT exist else .put

APIS

LICENSE

• ISC