diff options
Diffstat (limited to 'aoc2021/aoc2021.csproj')
-rw-r--r-- | aoc2021/aoc2021.csproj | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/aoc2021/aoc2021.csproj b/aoc2021/aoc2021.csproj index 7180a09..b554430 100644 --- a/aoc2021/aoc2021.csproj +++ b/aoc2021/aoc2021.csproj @@ -15,6 +15,7 @@ <ItemGroup> <Using Include="System.Collections.Generic" /> + <Using Include="System.Collections.Immutable" /> <Using Include="System.Diagnostics" /> <Using Include="System.Reflection" /> <Using Include="System.Text" /> |