Function infer

lib/infer.js:1651–1654

(node, scope, out, name)

  inferExprVisitor.ArrowFunctionExpression = inferExprVisitor.FunctionExpression;

  function infer(node, scope, out, name) {
    var handler = inferExprVisitor[node.type];
    return handler ? handler(node, scope, out, name) : ANull;
  }

  function loopPattern(init) {
    return init.type == "VariableDeclaration" ? init.declarations[0].id : init;