Function matcher

underscore-node-f.cjs:719–724

(attrs)

// Returns a predicate for checking whether an object has a given set of
// `key:value` pairs.
function matcher(attrs) {
  attrs = extendOwn({}, attrs);
  return function(obj) {
    return isMatch(obj, attrs);
  };
}

// Creates a function that, when passed an object, will traverse that object’s
// properties down the given `path`, specified as an array of keys or indices.