From 2368dc53d0c724f1899aeb2874ba1a763e11f0b8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= Date: Mon, 29 Jan 2024 15:40:26 +0100 Subject: Cowboy 2.11 --- .../manual/cowboy_req.has_resp_header/index.html | 197 +++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 docs/en/cowboy/2.11/manual/cowboy_req.has_resp_header/index.html (limited to 'docs/en/cowboy/2.11/manual/cowboy_req.has_resp_header/index.html') diff --git a/docs/en/cowboy/2.11/manual/cowboy_req.has_resp_header/index.html b/docs/en/cowboy/2.11/manual/cowboy_req.has_resp_header/index.html new file mode 100644 index 00000000..61d057b5 --- /dev/null +++ b/docs/en/cowboy/2.11/manual/cowboy_req.has_resp_header/index.html @@ -0,0 +1,197 @@ + + + + + + + + + + Nine Nines: cowboy_req:has_resp_header(3) + + + + + + + + + + + + + +
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cowboy_req:has_resp_header(3)

+ +

Name

+

cowboy_req:has_resp_header - Is the given response header set?

+

Description

+
+
has_resp_header(Name, Req :: cowboy_req:req()) -> boolean()
+
+Name :: binary()  %% lowercase; case insensitive
+
+

Return whether the given response header has been set.

+

The header name must be given as a lowercase binary string. While header names are case insensitive, Cowboy requires them to be given as lowercase to function properly.

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Arguments

+
Name
+

Header name as a lowercase binary string.

+
+
Req
+

The Req object.

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+
+

Return value

+

A boolean indicating whether the given response header has been set.

+

Changelog

+
  • 1.0: Function introduced. +
    • +
+

Examples

+
Check whether the content-type header has been set
+
+
false = cowboy_req:has_resp_header(<<"content-type">>, Req0),
+Req = cowboy_req:set_resp_header(<<"content-type">>, <<"text/html">>, Req0),
+true = cowboy_req:has_resp_header(<<"content-type">>, Req).
+
+

See also

+

cowboy_req(3), cowboy_req:set_resp_header(3), cowboy_req:set_resp_headers(3), cowboy_req:resp_header(3), cowboy_req:resp_headers(3), cowboy_req:delete_resp_header(3)

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+ Cowboy + 2.11 + Function Reference + +

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