nv-facutil-simple-pairid

• simple util to create a enum-like class
• simple util for +1 AND -1

install

• npm install nv-facutil-simple-pairid

usage

      const {creat,glb_sid,glb_bid} = require("nv-facutil-simple-pairid");
      var next = creat(5);
      next() 
      

example

safe int

    > var next = creat(5)
    > next()
    [ 1, 11 ]
    > next()
    [ 2, 10 ]
    > next()
    [ 3, 9 ]
    > next()
    [ 4, 8 ]
    > next()
    [ 5, 7 ]
    
    
    > next()
    [ 1, 11 ]
    > next()
    [ 2, 10 ]
    > next()
    [ 3, 9 ]
    > next()
    [ 4, 8 ]
    > next()
    [ 5, 7 ]
    
    
    > next()
    [ 1, 11 ]
    > 
    ....  

bigint

    > var next = creat(2n**55n-1n,1n)
    > next()
    [ 1n, 72057594037927935n ]
    > next()
    [ 2n, 72057594037927934n ]
    > next()
    [ 3n, 72057594037927933n ]
    > next()
    [ 4n, 72057594037927932n ]
    > next()
    [ 5n, 72057594037927931n ]
    > next()
    [ 6n, 72057594037927930n ]
    > next()
    [ 7n, 72057594037927929n ]
    > next()
    [ 8n, 72057594037927928n ]
    > ....

global

    >  const ID = require("nv-facutil-simple-pairid");
    > ID.SID_
    0
    > ID.BID_
    0n


    > ID.glb_sid()
    [ 1, 9007199254740991 ]
    >
    > ID.glb_sid()
    [ 2, 9007199254740990 ]
    > ID.glb_sid()
    [ 3, 9007199254740989 ]
    > ID.SID_
    3
    >
    > ID.glb_bid()
    [ 1n, 18446744073709551615n ]
    > ID.glb_bid()
    [ 2n, 18446744073709551614n ]
    > ID.glb_bid()
    [ 3n, 18446744073709551613n ]
    > ID.glb_bid()
    [ 4n, 18446744073709551612n ]
    > ID.glb_bid()
    [ 5n, 18446744073709551611n ]
    >
    > ID.BID_
    5n
    >

METHODS

APIS

• creat(maxid,one=1);
• glb_sid();
• glb_bid();

getter

.SID_
.BID_

LICENSE

• ISC