From 94bc72d3a147ea9f638928021c123e7d42675171 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Mon, 10 Jan 2022 15:36:49 +1000
Subject: [PATCH] parse/value: add a string_view overload

---
 parse/value.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/parse/value.hpp b/parse/value.hpp
index e59af2b1..62a0b7e2 100644
--- a/parse/value.hpp
+++ b/parse/value.hpp
@@ -20,6 +20,13 @@ namespace cruft::parse {
     /// The view is modified in place to reflect the unused data.
     template <typename T> T value (cruft::view<const char *> &);
     template <typename T> T value (cruft::view<      char *> &);
+    template <typename T> T value (std::string_view &str)
+    {
+        cruft::view wrapper (str);
+        T res = value<T> (wrapper);
+        str = str.substr (str.size () - wrapper.size ());
+        return res;
+    }
 
 
     /// Parses a prefix string to obtain an instance of T.