Adds some simple utilities for go thing

data_test.go

@@ -83,7 +83,7 @@ func init() {
 	if err != nil {
 		panic(fmt.Sprintf("Could not open '%s': %s", albumsPath, err))
 	}
-	defer CloseOrPanic(f, albumsPath)
+	defer closeOrPanic(f, albumsPath)
 
 	dec := json.NewDecoder(f)
 	if err = dec.Decode(&albumsDataTest); err != nil {

utils.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"runtime"
+)
+
+// close a Closer or panic. better than just close, object scoping safe
+func closeOrPanic(c io.Closer, description string) {
+	if err := c.Close(); err != nil {
+		panic("Could not close '" + description + "': " + err.Error())
+	}
+}
+
+// close and ignore any error
+func closeIgnore(c io.Closer) {
+	c.Close()
+}
+
+func closeOrLog(c io.Closer, format string) {
+	if err := c.Close(); err != nil {
+		log.Printf(format, err)
+	}
+}
+
+// retrun a nice not yet implemented error
+func notYetImplemented() error {
+	pc, _, _, ok := runtime.Caller(1)
+	if ok == false {
+		return fmt.Errorf("notYetImplemented() cshould not be called from static context")
+	}
+	return fmt.Errorf("%s is not yet implemented", runtime.FuncForPC(pc))
+}