From 707860e11c70bde49b836abc6807c30a5d04d91d Mon Sep 17 00:00:00 2001
From: Tommaso Pecorella <tommaso.pecorella@unifi.it>
Date: Fri, 19 May 2023 23:43:21 +0200
Subject: [PATCH] stats: make Histogram::GetBinCount const

---
 src/stats/model/histogram.cc | 2 +-
 src/stats/model/histogram.h  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/stats/model/histogram.cc b/src/stats/model/histogram.cc
index 2e58e4af9..b91e11982 100644
--- a/src/stats/model/histogram.cc
+++ b/src/stats/model/histogram.cc
@@ -71,7 +71,7 @@ Histogram::SetDefaultBinWidth(double binWidth)
 }
 
 uint32_t
-Histogram::GetBinCount(uint32_t index)
+Histogram::GetBinCount(uint32_t index) const
 {
     NS_ASSERT(index < m_histogram.size());
     return m_histogram[index];
diff --git a/src/stats/model/histogram.h b/src/stats/model/histogram.h
index 7d5dedac9..c2fd5a682 100644
--- a/src/stats/model/histogram.h
+++ b/src/stats/model/histogram.h
@@ -93,7 +93,7 @@ class Histogram
      * \param index the bin index
      * \return the number of data added to the bin
      */
-    uint32_t GetBinCount(uint32_t index);
+    uint32_t GetBinCount(uint32_t index) const;
 
     // Method for adding values
     /**