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# Compute Intermediate Values In A With Construct

The expressions you use in a `with` construct do not have to contain the `<-` syntax. You can pattern match and bind values along the way as well.

```elixir
with %{id: id} <- get_user(),
     url = "/api/#{id}/blogs",
     %{status_code: 200, body: body} <- HTTPoison.get(url),
     {:ok, decoded_body} <- Poison.decode(body) do
  {:ok, decoded_body}
end
```

In the above (sorta contrived) example we were able to construct a URL in the middle of the series of expressions.

The values we compute inline will be closed into the `with` construct, so they won't leak.

See the [`with` docs](https://hexdocs.pm/elixir/Kernel.SpecialForms.html#with/1) for more details.