Move folly/BitIterator.h to folly/container/

[folly.git] / folly / gen / Base.h

diff --git a/folly/gen/Base.h b/folly/gen/Base.h
index 1f8a59ec29acd459d8af501002de181655208197..dd74a092a68046adc2e889839034ed82d0cab914 100644 (file)
--- a/folly/gen/Base.h
+++ b/folly/gen/Base.h
@@ -357,6 +357,8 @@ class Cycle;
 
 class Batch;
 
+class Window;
+
 class Dereference;
 
 class Indirect;
@@ -405,7 +407,7 @@ class UnwrapOr;
 
 class Unwrap;
 
-}
+} // namespace detail
 
 /**
  * Polymorphic wrapper
@@ -501,9 +503,8 @@ Yield generator(Source&& source) {
  *
  *  auto gen = GENERATOR(int) { yield(1); yield(2); };
  */
-#define GENERATOR(TYPE)                            \
-  ::folly::gen::detail::GeneratorBuilder<TYPE>() + \
-   [=](const std::function<void(TYPE)>& yield)
+#define GENERATOR(TYPE) \
+  ::folly::gen::detail::GeneratorBuilder<TYPE>() + [=](auto&& yield)
 
 /*
  * empty() - for producing empty sequences.