From 9d0bcdb63f7daa0d614322c73568810f44aa4571 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <howard.hinnant@gmail.com>
Date: Wed, 18 Apr 2018 21:56:11 -0400
Subject: [PATCH] Fix deduction error in parse where only offset is requested

---
 include/date/date.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/date/date.h b/include/date/date.h
index 8bbb93a..28541bd 100644
--- a/include/date/date.h
+++ b/include/date/date.h
@@ -7591,7 +7591,9 @@ auto
 parse(const std::basic_string<CharT, Traits, Alloc>& format, Parsable& tp,
       std::chrono::minutes& offset)
     -> decltype(from_stream(std::declval<std::basic_istream<CharT, Traits>&>(),
-                            format.c_str(), tp, nullptr, &offset),
+                            format.c_str(), tp,
+                            std::declval<std::basic_string<CharT, Traits, Alloc>*>(),
+                            &offset),
                 parse_manip<Parsable, CharT, Traits, Alloc>{format, tp, nullptr, &offset})
 {
     return {format, tp, nullptr, &offset};
@@ -7637,7 +7639,7 @@ inline
 auto
 parse(const CharT* format, Parsable& tp, std::chrono::minutes& offset)
     -> decltype(from_stream(std::declval<std::basic_istream<CharT>&>(), format,
-                            tp, nullptr, &offset),
+                            tp, std::declval<std::basic_string<CharT>*>(), &offset),
                 parse_manip<Parsable, CharT>{format, tp, nullptr, &offset})
 {
     return {format, tp, nullptr, &offset};