From 67812c4d2164042f56a3451c57a5517517b26ef4 Mon Sep 17 00:00:00 2001
From: Luca Fedeli <luca.fedeli@cea.fr>
Date: Tue, 22 Oct 2019 16:31:32 +0200
Subject: Added comments

---
 Source/Particles/MultiParticleContainer.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Source/Particles/MultiParticleContainer.cpp')

diff --git a/Source/Particles/MultiParticleContainer.cpp b/Source/Particles/MultiParticleContainer.cpp
index 09f819c22..928ba2ab7 100644
--- a/Source/Particles/MultiParticleContainer.cpp
+++ b/Source/Particles/MultiParticleContainer.cpp
@@ -4,6 +4,8 @@
 
 #include <WarpX_f.H>
 #include <WarpX.H>
+
+//This is now needed for writing a binary file on disk.
 #include <WarpXUtil.H>
 
 #include <limits>
@@ -11,6 +13,8 @@
 #include <string>
 
 using namespace amrex;
+
+//literals allow to write "aa"s, which means that "aa" is an std::string (C++14)
 using namespace std::literals;
 
 MultiParticleContainer::MultiParticleContainer (AmrCore* amr_core)
-- 
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