fix issue#2059

691fb0c5 · chenguoping · e7452d87 · 691fb0c5 · 691fb0c5
Commit 691fb0c5 authored Jun 16, 2020 by chenguoping
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Showing with 4 additions and 2 deletions

iteration_proxy.hpp include/nlohmann/detail/iterators/iteration_proxy.hpp +2 -1

json.hpp single_include/nlohmann/json.hpp +2 -1

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--- a/include/nlohmann/detail/iterators/iteration_proxy.hpp
+++ b/include/nlohmann/detail/iterators/iteration_proxy.hpp
@@ -12,7 +12,8 @@ namespace nlohmann
 {
 namespace detail
 {
-template<typename string_type>
+template<typename string_type, typename std::enable_if<
+             std::is_same<char, typename string_type::value_type>::value, int>::type = 0>
 void int_to_string( string_type& target, std::size_t value )
 {
    target = std::to_string(value);

--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -3650,7 +3650,8 @@ namespace nlohmann
 {
 namespace detail
 {
-template<typename string_type>
+template<typename string_type, typename std::enable_if<
+             std::is_same<char, typename string_type::value_type>::value, int>::type = 0>
 void int_to_string( string_type& target, std::size_t value )
 {
    target = std::to_string(value);