diff options
| author | Zahary Karadjov <zahary@gmail.com> | 2017-04-28 17:40:57 +0300 |
|---|---|---|
| committer | Zahary Karadjov <zahary@gmail.com> | 2017-04-28 17:40:57 +0300 |
| commit | c981284ddcbfe192b3554c9730b5fa6fc1b35a17 (patch) | |
| tree | e99fa4816392dcc2f7320187982d623646802f98 /tests/generics | |
| parent | bc01835091df93d8d278a55c62338e96be646e46 (diff) | |
| download | Nim-c981284ddcbfe192b3554c9730b5fa6fc1b35a17.tar.gz | |
a simple way to simulate covariance in generic types
Diffstat (limited to 'tests/generics')
| -rw-r--r-- | tests/generics/tfakecovariance.nim | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tests/generics/tfakecovariance.nim b/tests/generics/tfakecovariance.nim new file mode 100644 index 000000000..835acd9d3 --- /dev/null +++ b/tests/generics/tfakecovariance.nim @@ -0,0 +1,11 @@ +type + BaseObj = object of RootObj + DerivedObj = object of BaseObj + + Container[T] = object + +proc doSomething(c: Container[BaseObj or DerivedObj]) = discard + +var t: Container[DerivedObj] +doSomething t + |