elachlan
commented
2 years ago How about this?
private static readonly ConcurrentDictionary<Type, string> TypeNameCache = new ConcurrentDictionary<Type, string>();
public static string GetRealTypeName(this Type t) {
if (TypeNameCache.TryGetValue(t, out string name)) {
return name;
}
if (!t.IsGenericType)
return t.FullName.Replace('+','.');
StringBuilder sb = new StringBuilder();
ReadOnlySpan<char> fullName = t.FullName.AsSpan();
int plusIndex = fullName.IndexOf('+');
if (plusIndex > 0) {
sb.Append(fullName.Slice(0, plusIndex).ToArray());
sb.Append('.');
}
int length = fullName.IndexOf('`') - (plusIndex > 0 ? plusIndex + 1 : 0);
sb.Append(fullName.Slice(plusIndex > 0 ? plusIndex + 1 : 0, length).ToArray());
sb.Append('<');
bool appendComma = false;
foreach (Type arg in t.GetGenericArguments()) {
if (appendComma) { sb.Append(','); }
sb.Append(GetRealTypeName(arg));
appendComma = true;
}
sb.Append('>');
return TypeNameCache.GetOrAdd(t, sb.ToString());
}
niemyjski
Fixes #83.
Reference: https://stackoverflow.com/questions/17480990/get-name-of-generic-class-without-tilde