Add CLI for .NET version

1 files changed, 8 insertions, 0 deletions

diff --git a/dotnet/Mammoth/Couscous/mammoth/internal/util/PassThroughException.cs b/dotnet/Mammoth/Couscous/mammoth/internal/util/PassThroughException.cs
index 4bd2a2a..88597e3 100644
--- a/dotnet/Mammoth/Couscous/mammoth/internal/util/PassThroughException.cs
+++ b/dotnet/Mammoth/Couscous/mammoth/internal/util/PassThroughException.cs
@@ -10,6 +10,14 @@ namespace Mammoth.Couscous.org.zwobble.mammoth.@internal.util {
 				throw new PassThroughException(exception);
 			}
 		}
+
+		internal static T unwrap<T>(SupplierWithException<T, IOException> supplier) {
+			try {
+				return supplier.get();
+			} catch (PassThroughException exception) {
+				throw exception._exception;
+			}
+		}
     
 		private readonly IOException _exception;