src/merge.js
function merge_objects_(b) {
		if(is.func(b)) {
			b = b();
		}
		debug.assert(b).is('object');
		_merge_object(opts, a, b);
	}
function merge_objects_(b) {
		if(is.func(b)) {
			b = b();
		}
		debug.assert(b).is('object');
		_merge_object(opts, a, b);
	}
function merge_objects_ ( b ) { if ( is . func ( b ) ) { b = b ( ) ; } debug . assert ( b ) . is ( 'object' ) ; _merge_object ( opts , a , b ) ; }
Merge `a` and `b`
Merge a and b