From 55102734caedbe5ef42742ec8a5ae8b9d4e16538 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Wed, 12 Jun 2024 10:38:15 +0200
Subject: [PATCH] python: lol @ MSVC.

---
 src/python/magnum/gl.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/python/magnum/gl.cpp b/src/python/magnum/gl.cpp
index a9e6ae0..f5283c3 100644
--- a/src/python/magnum/gl.cpp
+++ b/src/python/magnum/gl.cpp
@@ -375,10 +375,16 @@ void gl(py::module_& m) {
             }, "Whether there is any current context")
             .def_property_readonly_static("current",
                 std::getenv("MCSS_GENERATING_OUTPUT") ?
-                    [](const py::object&) {
+                    /* Without the `+` converting the lambda to a func pointer,
+                       MSVC dies with "error C2446: ':': no conversion from
+                       'magnum::gl::<lambda_77bb3e7795c6a5d3c24295f5094682bb>' to
+                       'magnum::gl::<lambda_8aa45d30b7cae5763e9e81fb46e3b37b>'".
+                       All versions including 2022 are affected, works only
+                       with the /permissive- flag. LOL. */
+                    +[](const py::object&) {
                         return ContextHolder<GL::Context>{nullptr};
-                        } :
-                    [](const py::object&) {
+                    } :
+                    +[](const py::object&) {
                         if(!GL::Context::hasCurrent()) {
                             PyErr_SetString(PyExc_RuntimeError, "no current context");
                             throw py::error_already_set{};