Find variables in `go func` closures

Inspect function literals run by `go` statements, and find all variables
in those function literals.

1 files changed, 2 insertions, 0 deletions

diff --git a/testdata/simple.go b/testdata/simple.go
index 496be52..4b4c23a 100644
--- a/testdata/simple.go
+++ b/testdata/simple.go
@@ -2,8 +2,10 @@ package main
 
 func main() {
 	capturedReference := 0
+	capturedReference2 := 1
 
 	go func() {
 		capturedReference += 1
+		capturedReference2 += 1
 	}()
 }