Add constexpr specifiers to aligner member functions that can be

evaluated at compile time.

1 files changed, 6 insertions, 6 deletions

diff --git a/vespalib/src/vespa/vespalib/datastore/aligner.h b/vespalib/src/vespa/vespalib/datastore/aligner.h
index c9879046dd6..60076211a55 100644
--- a/vespalib/src/vespa/vespalib/datastore/aligner.h
+++ b/vespalib/src/vespa/vespalib/datastore/aligner.h
@@ -20,9 +20,9 @@ class Aligner {
 public:
     explicit constexpr Aligner() = default;
     explicit constexpr Aligner(size_t); // Never used but must be declared
-    static size_t align(size_t unaligned) noexcept { return (unaligned + alignment_v - 1) & (- alignment_v); }
-    static size_t pad(size_t unaligned) noexcept { return (- unaligned & (alignment_v - 1)); }
-    static size_t alignment() noexcept { return alignment_v; }
+    static constexpr size_t align(size_t unaligned) noexcept { return (unaligned + alignment_v - 1) & (- alignment_v); }
+    static constexpr size_t pad(size_t unaligned) noexcept { return (- unaligned & (alignment_v - 1)); }
+    static constexpr size_t alignment() noexcept { return alignment_v; }
 };
 
 /*
@@ -37,9 +37,9 @@ public:
         : _alignment(alignment_)
     {
     }
-    size_t align(size_t unaligned) const noexcept { return (unaligned + _alignment - 1) & (- _alignment); }
-    size_t pad(size_t unaligned) const noexcept { return (- unaligned & (_alignment - 1)); }
-    size_t alignment() const noexcept { return _alignment; }
+    constexpr size_t align(size_t unaligned) const noexcept { return (unaligned + _alignment - 1) & (- _alignment); }
+    constexpr size_t pad(size_t unaligned) const noexcept { return (- unaligned & (_alignment - 1)); }
+    constexpr size_t alignment() const noexcept { return _alignment; }
 };
 
 }