From 19d257758202b9d9935c3469394ca4c82c584f6a Mon Sep 17 00:00:00 2001
From: Dmitri Lapin <lapin@cvisionlab.com>
Date: Thu, 16 Jun 2016 18:54:55 +0300
Subject: [PATCH 1/3] Added template function to obtain values without explicit
 cast

---
 OptionParser.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/OptionParser.h b/OptionParser.h
index ccafbc5..fb80b93 100644
--- a/OptionParser.h
+++ b/OptionParser.h
@@ -61,6 +61,8 @@ class Values {
     bool is_set_by_user(const std::string& d) const { return _userSet.find(d) != _userSet.end(); }
     void is_set_by_user(const std::string& d, bool yes);
     Value get(const std::string& d) const { return (is_set(d)) ? Value((*this)[d]) : Value(); }
+    template<typename T>
+    T get(const std::string& d) const { return (is_set(d)) ? Value((*this)[d]) : T(); }
 
     typedef std::list<std::string>::iterator iterator;
     typedef std::list<std::string>::const_iterator const_iterator;

From 9dd9b08e45cb103c9ed3af6b24d923c4908dd515 Mon Sep 17 00:00:00 2001
From: Dmitri Lapin <lapin@cvisionlab.com>
Date: Thu, 16 Jun 2016 19:08:51 +0300
Subject: [PATCH 2/3] Added test case for template version of get

---
 testprog.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/testprog.cpp b/testprog.cpp
index ac68f1f..c281e53 100644
--- a/testprog.cpp
+++ b/testprog.cpp
@@ -143,6 +143,10 @@ int main(int argc, char *argv[])
   cout << "number: " << (int) options.get("number") << endl;
   cout << "int: " << (int) options.get("int") << endl;
   cout << "float: " << (float) options.get("float") << endl;
+  // test template getters
+  cout << "number<template>: " << options.get<int>("number") << endl;
+  cout << "int<template>: " << options.get<int>("int") << endl;
+  cout << "float<template>: " << options.get<float>("float") << endl;
   complex<double> c = 0;
   if (options.is_set("complex")) {
     stringstream ss;

From 6bb7d5b8aeb62739b8967d41eec090c30f8812c5 Mon Sep 17 00:00:00 2001
From: Dmitri Lapin <lapin@cvisionlab.com>
Date: Thu, 16 Jun 2016 19:20:15 +0300
Subject: [PATCH 3/3] Updated test to make it output the same text as before

---
 testprog.cpp | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/testprog.cpp b/testprog.cpp
index c281e53..397dcf4 100644
--- a/testprog.cpp
+++ b/testprog.cpp
@@ -141,12 +141,9 @@ int main(int argc, char *argv[])
   cout << "k: " << options["k"] << endl;
   cout << "verbosity: " << options["verbosity"] << endl;
   cout << "number: " << (int) options.get("number") << endl;
-  cout << "int: " << (int) options.get("int") << endl;
+  // test template getter
+  cout << "int: " << options.get<int>("int") << endl;
   cout << "float: " << (float) options.get("float") << endl;
-  // test template getters
-  cout << "number<template>: " << options.get<int>("number") << endl;
-  cout << "int<template>: " << options.get<int>("int") << endl;
-  cout << "float<template>: " << options.get<float>("float") << endl;
   complex<double> c = 0;
   if (options.is_set("complex")) {
     stringstream ss;