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| author | Daniil Yarancev <21169548+Yardanico@users.noreply.github.com> | 2018-01-07 21:02:00 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-01-07 21:02:00 +0300 |
| commit | fb44c522e6173528efa8035ecc459c84887d0167 (patch) | |
| tree | a2f5e98606be265981a5f72748896967033e23d7 /tests/concepts/t6462.nim | |
| parent | ccf99fa5ce4fe992fb80dc89271faa51456c3fa5 (diff) | |
| parent | e23ea64c41e101d4e1d933f0b015f51cc6c2f7de (diff) | |
| download | Nim-fb44c522e6173528efa8035ecc459c84887d0167.tar.gz | |
Merge pull request #1 from nim-lang/devel
upstream
Diffstat (limited to 'tests/concepts/t6462.nim')
| -rw-r--r-- | tests/concepts/t6462.nim | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/concepts/t6462.nim b/tests/concepts/t6462.nim new file mode 100644 index 000000000..2fa2268f8 --- /dev/null +++ b/tests/concepts/t6462.nim @@ -0,0 +1,23 @@ +discard """ + output: "true" +""" + +import future + +type + FilterMixin*[T] = ref object + test*: (T) -> bool + trans*: (T) -> T + + SeqGen*[T] = ref object + fil*: FilterMixin[T] + + WithFilter[T] = concept a + a.fil is FilterMixin[T] + +proc test*[T](a: WithFilter[T]): (T) -> bool = + a.fil.test + +var s = SeqGen[int](fil: FilterMixin[int](test: nil, trans: nil)) +echo s.test() == nil + |