From f9acaa8879c38a40c80ba6c31a49d079e5e86872 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Tue, 29 Apr 2025 11:35:10 +0200
Subject: [PATCH] fix: text stripping in `type_name` fixed

---
 src/core/include/mp-units/ext/type_name.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/core/include/mp-units/ext/type_name.h b/src/core/include/mp-units/ext/type_name.h
index 7f478fc8..bf6274f0 100644
--- a/src/core/include/mp-units/ext/type_name.h
+++ b/src/core/include/mp-units/ext/type_name.h
@@ -6,6 +6,7 @@
 #pragma once
 
 #ifndef MP_UNITS_IN_MODULE_INTERFACE
+#include <mp-units/ext/contracts.h>
 #ifdef MP_UNITS_IMPORT_STD
 import std;
 #else
@@ -22,17 +23,19 @@ template<typename T>
   std::string_view name, prefix, suffix;
 #ifdef __clang__
   name = __PRETTY_FUNCTION__;
-  prefix = "auto type_name() [T = ";
+  prefix = "std::string_view mp_units::detail::type_name() [T = ";
   suffix = "]";
 #elif defined(__GNUC__)
   name = __PRETTY_FUNCTION__;
-  prefix = "constexpr auto type_name() [with T = ";
+  prefix = "consteval std::string_view mp_units::detail::type_name() [with T = ";
   suffix = "]";
 #elif defined(_MSC_VER)
   name = __FUNCSIG__;
-  prefix = "auto __cdecl type_name<";
+  prefix = "class std::basic_string_view<char,struct std::char_traits<char> > __cdecl mp_units::detail::type_name<";
   suffix = ">(void)";
 #endif
+  MP_UNITS_ASSERT_DEBUG(name.starts_with(prefix));
+  MP_UNITS_ASSERT_DEBUG(name.ends_with(suffix));
   name.remove_prefix(prefix.size());
   name.remove_suffix(suffix.size());
   return name;