General purpose HTTP call via cURL.

• parameter url

  the URL to query

• parameter meth

  which method to use (see meth)

• parameter tries

  how many times to retry in case of CURLE_AGAIN code

• parameter client

  a client to reuse (instead of allocating a new one)

• parameter range

  an optional byte range to fetch (either to get large pages by chunks, or to resume an interrupted download).

• parameter config

  configuration to set

• parameter content

  the content to send as the query's body, either a `String s to write a single string, or `Write f where f is a callback that is called on a buffer b with len n (as in f b n) and returns how many bytes it wrote in the buffer b starting at index 0 (at most n bytes). It must return 0 when the content is entirely written, and not before.

• parameter headers

  headers of the query

Shortcut for http ~meth:GET See http for more info.

Shortcut for http ~meth:PUT See http for more info.

Shortcut for http ~meth:(POST params) See http for more info.