iex(1)> flush
:ok
iex(2)> Foo.get("http://www.example.com")
{:ok, %HTTPoison.AsyncResponse{id: #Reference<0.1785870032.3633315841.234624>}}
iex(3)> flush
%HTTPoison.AsyncStatus{code: 200,
id: #Reference<0.1785870032.3633315841.234624>}
%HTTPoison.AsyncHeaders{headers: [{"Cache-Control", "max-age=604800"},
{"Content-Type", "text/html"}, {"Date", "Mon, 28 Aug 2017 16:38:47 GMT"},
{"Etag", "\"359670651+gzip+ident\""},
{"Expires", "Mon, 04 Sep 2017 16:38:47 GMT"},
{"Last-Modified", "Fri, 09 Aug 2013 23:54:35 GMT"},
{"Server", "ECS (rhv/818F)"}, {"Vary", "Accept-Encoding"}, {"X-Cache", "HIT"},
{"Content-Length", "1270"}], id: #Reference<0.1785870032.3633315841.234624>}
%HTTPoison.AsyncChunk{chunk: "<!doctype html>\n<html>\n<head>\n <title>Example Domain</title>\n\n <meta charset=\"utf-8\" />\n <meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\" />\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n <style type=\"text/css\">\n body {\n background-color: #f0f0f2;\n margin: 0;\n padding: 0;\n font-family: \"Open Sans\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;\n \n }\n div {\n width: 600px;\n margin: 5em auto;\n padding: 50px;\n background-color: #fff;\n border-radius: 1em;\n }\n a:link, a:visited {\n color: #38488f;\n text-decoration: none;\n }\n @media (max-width: 700px) {\n body {\n background-color: #fff;\n }\n div {\n width: auto;\n margin: 0 auto;\n border-radius: 0;\n padding: 1em;\n }\n }\n </style> \n</head>\n\n<body>\n<div>\n <h1>Example Domain</h1>\n <p>This domain is established to be used for illustrative examples in documents. You may use this\n domain in examples without prior coordination or asking for",
id: #Reference<0.1785870032.3633315841.234624>}
%HTTPoison.AsyncChunk{chunk: " permission.</p>\n <p><a href=\"http://www.iana.org/domains/example\">More information...</a></p>\n</div>\n</body>\n</html>\n",
id: #Reference<0.1785870032.3633315841.234624>}
%HTTPoison.AsyncEnd{id: #Reference<0.1785870032.3633315841.234624>}
:ok
The typespecs for &Foo.get/0 and &Foo.get/1 have typespecs that are intentionally invalid. &Foo.get/0 expectedly suggests the correct success typing. &Foo.get/1 does not.
$ mix dialyzer
Compiling 1 file (.ex)
Checking PLT...
[:asn1, :certifi, :compiler, :crypto, :elixir, :hackney, :httpoison, :idna,
:kernel, :logger, :metrics, :mimerl, :public_key, :ssl, :ssl_verify_fun,
:stdlib, :unicode_util_compat]
PLT is up to date!
Starting Dialyzer
dialyzer args: [check_plt: false,
init_plt: '/Users/amorphid/my/code/github.com/amorphid/bad_httpoison_typespec_question_mark/_build/dev/dialyxir_erlang-20.0_elixir-1.5.1_deps-dev.plt',
files_rec: ['/Users/amorphid/my/code/github.com/amorphid/bad_httpoison_typespec_question_mark/_build/dev/lib/bad_httpoison_typespec_question_mark/ebin'],
warnings: [:unknown]]
done in 0m2.58s
lib/bad_httpoison_typespec_question_mark.ex:8: Invalid type specification for function 'Elixir.Foo':get/0. The success typing is () -> 'not_1'
lib/bad_httpoison_typespec_question_mark.ex:14: Function get/1 has no local return
done (warnings were emitted)
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent