require("dbj.cond.comparators");
// after this we have dbj.compare available
// standard strict equaility (aka '===')
// returns true
dbj.compare.standard(42,42); 
// arrays comparison
// is comparator argument is provided it is deep
// otherwise it is shallow "===" comparison
// for array elements comparing
// returns true
dbj.compare.arr([42],[42]);
// transforms both arguments to arrays
// returns true
dbj.compare.arr( 42 , 42 );
// two way lookup comparison
// if comparator argument is provided it is deep
// otherwise it is shallow "===" comparison
// returns false
dbj.compare.lookup( [42], [42]); 
// returns true
dbj.compare.lookup( 42, 42); 
// secondary comparator may be given 
// to both 'arr' and 'lookup'
// it is used for deep comparisons 
// it can be passed direct as third argument or factory
// method 'make' might be used as a better option
const fdeq = require('fast-deep-equal');
const arr = dbj.compare.make('arr', fdeq) ;
// returns true
arr([[42]],[[42]]);
// returns true
// arguments are transformed to arrays
arr({a:42},{a:42});
//
const lookup  = dbj.compare.make('lookup', fdeq );
// returns true
lookup([1,2,3], 2);
// also returns true
lookup([1,{a:2},3], {a:2})
//