fix for issue #4849

madneal · madneal · commit b9d24b82555f · 2020-12-21T08:54:15.000+08:00
diff --git a/docs/codeql/codeql-language-guides/analyzing-data-flow-in-csharp.rst b/docs/codeql/codeql-language-guides/analyzing-data-flow-in-csharp.rst
@@ -480,7 +480,7 @@ Exercise 4
      Configuration() { this="Environment to System.Uri" }
      
      override predicate isSource(DataFlow::Node src) {
-       src.asExpr() instanceof EnvironmentVariableFlowSource
+       src instanceof EnvironmentVariableFlowSource
      }
      
      override predicate isSink(DataFlow::Node sink) {

Original file line number	Diff line number	Diff line change
`@@ -480,7 +480,7 @@ Exercise 4`
`480`	`480`	`Configuration() { this="Environment to System.Uri" }`
`481`	`481`
`482`	`482`	`override predicate isSource(DataFlow::Node src) {`
`483`		`- src.asExpr() instanceof EnvironmentVariableFlowSource`
	`483`	`+ src instanceof EnvironmentVariableFlowSource`
`484`	`484`	`}`
`485`	`485`
`486`	`486`	`override predicate isSink(DataFlow::Node sink) {`