Function d3_geo_compose

explainshell/web/static/js/d3.v3.js:2798–2806

(a, b)

    return true;
  }
  function d3_geo_compose(a, b) {
    function compose(x, y) {
      return x = a(x, y), b(x[0], x[1]);
    }
    if (a.invert && b.invert) compose.invert = function(x, y) {
      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
    };
    return compose;
  }
  function d3_geo_resample(project) {
    var δ2 = .5, maxDepth = 16;
    function resample(stream) {