From 6b30a65ffddd44a3810903e5341b7baa5bc28902 Mon Sep 17 00:00:00 2001
From: Mike Zozu <jaat-quod@yandex.ru>
Date: Tue, 15 Dec 2020 16:59:45 +0300
Subject: [PATCH] special case for repr: bool value

---
 include/argparse/argparse.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/argparse/argparse.hpp b/include/argparse/argparse.hpp
index 29abf78..376f34f 100644
--- a/include/argparse/argparse.hpp
+++ b/include/argparse/argparse.hpp
@@ -92,7 +92,9 @@ static constexpr bool is_representable_v =
 constexpr size_t repr_max_container_size = 5;
 
 template <typename T> std::string repr(T const &val) {
-  if constexpr (std::is_convertible_v<T, std::string_view>) {
+  if constexpr (std::is_same_v<T, bool>) {
+    return val ? "true" : "false";
+  } else if constexpr (std::is_convertible_v<T, std::string_view>) {
     return '"' + std::string{std::string_view{val}} + '"';
   } else if constexpr (is_container_v<T>) {
     std::stringstream out;