lib/concat.js
function insertRight(parent, node) {
	var index = parent.length - 1;
	parent[index] = node;
	parent.sizes[index] = (0, _util.length)(node) + (index > 0 ? parent.sizes[index - 1] : 0);
}
function insertRight(parent, node) {
	var index = parent.length - 1;
	parent[index] = node;
	parent.sizes[index] = (0, _util.length)(node) + (index > 0 ? parent.sizes[index - 1] : 0);
}
function insertRight ( parent , node ) { var index = parent . length - 1 ; parent [ index ] = node ; parent . sizes [ index ] = ( 0 , _util . length ) ( node ) + ( index > 0 ? parent . sizes [ index - 1 ] : 0 ) ; }
Helperfunctions for _concat. Replaces a child node at the side of the parent.
Helperfunctions for _concat . Replaces a child node at the side of the parent .