chore: warn when parsing environment variable fails (#3904)

* chore: warn when parsing environment variable fails

* doc: update changelog

src/util/TypeName.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <string_view>
+
+namespace chatterino {
+
+// Adapted from: https://stackoverflow.com/a/56766138.
+// NOTE: Relies on the "magic" prefixes and suffixes. There are implementations
+// that attempt to manually detect these (linked in the SO answer above) but
+// they seemed too complex for the scope we have here.
+template <typename T>
+constexpr auto type_name()
+{
+    std::string_view name, prefix, suffix;
+#ifdef __clang__
+    name = __PRETTY_FUNCTION__;
+    prefix = "auto chatterino::type_name() [T = ";
+    suffix = "]";
+#elif defined(__GNUC__)
+    name = __PRETTY_FUNCTION__;
+    prefix = "constexpr auto chatterino::type_name() [with T = ";
+    suffix = "]";
+#elif defined(_MSC_VER)
+    name = __FUNCSIG__;
+    prefix = "auto __cdecl chatterino::type_name<";
+    suffix = ">(void)";
+#endif
+    name.remove_prefix(prefix.size());
+    name.remove_suffix(suffix.size());
+
+    return name;
+}
+
+}  // namespace chatterino