X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fwritermode.h;h=3f898bbfd37deb794f743c64bea2242ad88819e0;hb=a2cce9e933089f483163456e9872e005c33dd678;hp=05058abe94138dad630dd46281fc721618ac2196;hpb=8e3fad222e174b7c659fd3d994d54314657ed989;p=libs%2Fdatafile.git

diff --git a/source/writermode.h b/source/writermode.h
index 05058ab..3f898bb 100644
--- a/source/writermode.h
+++ b/source/writermode.h
@@ -1,20 +1,22 @@
 #ifndef MSP_DATAFILE_WRITERMODE_H_
 #define MSP_DATAFILE_WRITERMODE_H_
 
+#include <msp/core/noncopyable.h>
+
 namespace Msp {
 namespace DataFile {
 
 class Output;
-class Statement;
+struct Statement;
 
-class WriterMode
+class WriterMode: private NonCopyable
 {
 protected:
 	Output &out;
 
 	WriterMode(Output &o): out(o) { }
 public:
-	virtual ~WriterMode() { }
+	virtual ~WriterMode() = default;
 
 	virtual void set_float_precision(unsigned) = 0;
 	virtual void write(const Statement &st) = 0;