operator== must be const.

2 files changed, 2 insertions, 2 deletions

diff --git a/searchlib/src/vespa/searchlib/util/rawbuf.cpp b/searchlib/src/vespa/searchlib/util/rawbuf.cpp
index c4fb3dd72cc..0fcef353f33 100644
--- a/searchlib/src/vespa/searchlib/util/rawbuf.cpp
+++ b/searchlib/src/vespa/searchlib/util/rawbuf.cpp
@@ -220,7 +220,7 @@ RawBuf::operator+=(const RawBuf& buffer)
 
 
 bool
-RawBuf::operator==(const RawBuf &buffer)
+RawBuf::operator==(const RawBuf &buffer) const
 {
     size_t nbytes = buffer.GetUsedLen();
     if (nbytes != GetUsedLen())
diff --git a/searchlib/src/vespa/searchlib/util/rawbuf.h b/searchlib/src/vespa/searchlib/util/rawbuf.h
index ffebd035950..fd4ce8976a9 100644
--- a/searchlib/src/vespa/searchlib/util/rawbuf.h
+++ b/searchlib/src/vespa/searchlib/util/rawbuf.h
@@ -38,7 +38,7 @@ public:
 
     void    operator+=(const char *src);
     void    operator+=(const RawBuf& buffer);
-    bool    operator==(const RawBuf &buffer);
+    bool    operator==(const RawBuf &buffer) const;
     void    addNum(size_t num, size_t fieldw, char fill);
     void    addNum32(int32_t num, size_t fieldw, char fill);
     void    addNum64(int64_t num, size_t fieldw, char fill);