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<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"`allowed_origin` argument must not be wildcard (`*`)"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"Request header `Origin` is required but was not provided"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"Request header `Access-Control-Request-Method` is required but is missing"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"Request header `Access-Control-Request-Method` has an invalid value"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"Request header `Access-Control-Request-Headers` has an invalid value"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"Origin is not allowed to make this request"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"Requested method is not allowed"</span>)]</span>
<spanclass="attribute">#[<spanclass="ident">display</span>(<spanclass="ident">fmt</span><spanclass="op">=</span><spanclass="string">"One or more request headers are not allowed"</span>)]</span>