Fix extracting TraceState from HttpTextMapCarrier (#738)

ThomsonTan · web-flow · commit e901a36e6733 · 2021-05-11T09:28:50.000+05:30
diff --git a/examples/http/tracer_common.h b/examples/http/tracer_common.h
@@ -47,7 +47,7 @@ class HttpTextMapCarrier : public opentelemetry::context::propagation::TextMapCa
     }
     else if (key == opentelemetry::trace::propagation::kTraceState)
     {
-      key_to_compare == "Tracestate";
+      key_to_compare = "Tracestate";
     }
     auto it = headers_.find(key_to_compare);
     if (it != headers_.end())

Original file line number	Diff line number	Diff line change
`@@ -47,7 +47,7 @@ class HttpTextMapCarrier : public opentelemetry::context::propagation::TextMapCa`
`47`	`47`	`}`
`48`	`48`	`else if (key == opentelemetry::trace::propagation::kTraceState)`
`49`	`49`	`{`
`50`		`- key_to_compare == "Tracestate";`
	`50`	`+ key_to_compare = "Tracestate";`
`51`	`51`	`}`
`52`	`52`	`auto it = headers_.find(key_to_compare);`
`53`	`53`	`if (it != headers_.end())`