Code Style: use "#pragma once" in source directory

This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.

This patch has been generated by P1561 followed by `make format`.

Differential Revision: https://developer.blender.org/D8466

15 files changed, 15 insertions, 60 deletions

diff --git a/source/blender/functions/FN_array_spans.hh b/source/blender/functions/FN_array_spans.hh
index c362fef3630..52325c19c1b 100644
--- a/source/blender/functions/FN_array_spans.hh
+++ b/source/blender/functions/FN_array_spans.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_ARRAY_SPANS_HH__
-#define __FN_ARRAY_SPANS_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -205,5 +204,3 @@ class GVArraySpan : public VArraySpanBase<void> {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_ARRAY_SPANS_HH__ */
diff --git a/source/blender/functions/FN_attributes_ref.hh b/source/blender/functions/FN_attributes_ref.hh
index ed14676731e..fe7e59b5e00 100644
--- a/source/blender/functions/FN_attributes_ref.hh
+++ b/source/blender/functions/FN_attributes_ref.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_ATTRIBUTES_REF_HH__
-#define __FN_ATTRIBUTES_REF_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -340,5 +339,3 @@ class AttributesRef {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_ATTRIBUTES_REF_HH__ */
diff --git a/source/blender/functions/FN_cpp_type.hh b/source/blender/functions/FN_cpp_type.hh
index 594890e353a..1176a705e66 100644
--- a/source/blender/functions/FN_cpp_type.hh
+++ b/source/blender/functions/FN_cpp_type.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_CPP_TYPE_HH__
-#define __FN_CPP_TYPE_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -795,5 +794,3 @@ inline std::unique_ptr<const CPPType> create_cpp_type(StringRef name, const T &d
         STRINGIFY(IDENTIFIER), default_value); \
     return *cpp_type; \
   }
-
-#endif /* __FN_CPP_TYPE_HH__ */
diff --git a/source/blender/functions/FN_generic_vector_array.hh b/source/blender/functions/FN_generic_vector_array.hh
index ee67db000e5..0a173d1fbc6 100644
--- a/source/blender/functions/FN_generic_vector_array.hh
+++ b/source/blender/functions/FN_generic_vector_array.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_GENERIC_VECTOR_ARRAY_HH__
-#define __FN_GENERIC_VECTOR_ARRAY_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -202,5 +201,3 @@ template<typename T> class GVectorArrayRef {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_GENERIC_VECTOR_ARRAY_HH__ */
diff --git a/source/blender/functions/FN_multi_function.hh b/source/blender/functions/FN_multi_function.hh
index eaddcee7964..bf431984946 100644
--- a/source/blender/functions/FN_multi_function.hh
+++ b/source/blender/functions/FN_multi_function.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_HH__
-#define __FN_MULTI_FUNCTION_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -124,5 +123,3 @@ inline MFParamsBuilder::MFParamsBuilder(const class MultiFunction &fn, int64_t m
 extern const MultiFunction &dummy_multi_function;
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_HH__ */
diff --git a/source/blender/functions/FN_multi_function_builder.hh b/source/blender/functions/FN_multi_function_builder.hh
index 95e216558e7..dee0938eb3a 100644
--- a/source/blender/functions/FN_multi_function_builder.hh
+++ b/source/blender/functions/FN_multi_function_builder.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_BUILDER_HH__
-#define __FN_MULTI_FUNCTION_BUILDER_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -314,5 +313,3 @@ class CustomMF_DefaultOutput : public MultiFunction {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_BUILDER_HH__ */
diff --git a/source/blender/functions/FN_multi_function_context.hh b/source/blender/functions/FN_multi_function_context.hh
index 8492fd86742..eec6b21ae7c 100644
--- a/source/blender/functions/FN_multi_function_context.hh
+++ b/source/blender/functions/FN_multi_function_context.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_CONTEXT_HH__
-#define __FN_MULTI_FUNCTION_CONTEXT_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -66,5 +65,3 @@ class MFContext {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_CONTEXT_HH__ */
diff --git a/source/blender/functions/FN_multi_function_data_type.hh b/source/blender/functions/FN_multi_function_data_type.hh
index 23a1c0e5680..34997703432 100644
--- a/source/blender/functions/FN_multi_function_data_type.hh
+++ b/source/blender/functions/FN_multi_function_data_type.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_DATA_TYPE_HH__
-#define __FN_MULTI_FUNCTION_DATA_TYPE_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -126,5 +125,3 @@ inline bool operator!=(const MFDataType &a, const MFDataType &b)
 }
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_DATA_TYPE_HH__ */
diff --git a/source/blender/functions/FN_multi_function_network.hh b/source/blender/functions/FN_multi_function_network.hh
index 20f8fb2ee43..7a9f5b4cfaf 100644
--- a/source/blender/functions/FN_multi_function_network.hh
+++ b/source/blender/functions/FN_multi_function_network.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_NETWORK_HH__
-#define __FN_MULTI_FUNCTION_NETWORK_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -535,5 +534,3 @@ inline int MFNetwork::node_id_amount() const
 }
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_NETWORK_HH__ */
diff --git a/source/blender/functions/FN_multi_function_network_evaluation.hh b/source/blender/functions/FN_multi_function_network_evaluation.hh
index 11606869ca2..2c0d94615b0 100644
--- a/source/blender/functions/FN_multi_function_network_evaluation.hh
+++ b/source/blender/functions/FN_multi_function_network_evaluation.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_NETWORK_EVALUATION_HH__
-#define __FN_MULTI_FUNCTION_NETWORK_EVALUATION_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -60,5 +59,3 @@ class MFNetworkEvaluator : public MultiFunction {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_NETWORK_EVALUATION_HH__ */
diff --git a/source/blender/functions/FN_multi_function_network_optimization.hh b/source/blender/functions/FN_multi_function_network_optimization.hh
index 3cbabd72c2a..6d0165643ce 100644
--- a/source/blender/functions/FN_multi_function_network_optimization.hh
+++ b/source/blender/functions/FN_multi_function_network_optimization.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_NETWORK_OPTIMIZATION_HH__
-#define __FN_MULTI_FUNCTION_NETWORK_OPTIMIZATION_HH__
+#pragma once
 
 #include "FN_multi_function_network.hh"
 
@@ -28,5 +27,3 @@ void constant_folding(MFNetwork &network, ResourceCollector &resources);
 void common_subnetwork_elimination(MFNetwork &network);
 
 }  // namespace blender::fn::mf_network_optimization
-
-#endif /* __FN_MULTI_FUNCTION_NETWORK_OPTIMIZATION_HH__ */
diff --git a/source/blender/functions/FN_multi_function_param_type.hh b/source/blender/functions/FN_multi_function_param_type.hh
index 7c16b8cdf10..5b35cbe365b 100644
--- a/source/blender/functions/FN_multi_function_param_type.hh
+++ b/source/blender/functions/FN_multi_function_param_type.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_PARAM_TYPE_HH__
-#define __FN_MULTI_FUNCTION_PARAM_TYPE_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -164,5 +163,3 @@ inline bool operator!=(const MFParamType &a, const MFParamType &b)
 }
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_PARAM_TYPE_HH__ */
diff --git a/source/blender/functions/FN_multi_function_params.hh b/source/blender/functions/FN_multi_function_params.hh
index 93d7b47af83..71b05754717 100644
--- a/source/blender/functions/FN_multi_function_params.hh
+++ b/source/blender/functions/FN_multi_function_params.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_PARAMS_HH__
-#define __FN_MULTI_FUNCTION_PARAMS_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -237,5 +236,3 @@ class MFParams {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_PARAMS_HH__ */
diff --git a/source/blender/functions/FN_multi_function_signature.hh b/source/blender/functions/FN_multi_function_signature.hh
index ba79dddff16..fd92bb2ff55 100644
--- a/source/blender/functions/FN_multi_function_signature.hh
+++ b/source/blender/functions/FN_multi_function_signature.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_MULTI_FUNCTION_SIGNATURE_HH__
-#define __FN_MULTI_FUNCTION_SIGNATURE_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -170,5 +169,3 @@ class MFSignatureBuilder {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_MULTI_FUNCTION_SIGNATURE_HH__ */
diff --git a/source/blender/functions/FN_spans.hh b/source/blender/functions/FN_spans.hh
index d8b381199cc..3ceb78ea6bd 100644
--- a/source/blender/functions/FN_spans.hh
+++ b/source/blender/functions/FN_spans.hh
@@ -14,8 +14,7 @@
  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
-#ifndef __FN_SPANS_HH__
-#define __FN_SPANS_HH__
+#pragma once
 
 /** \file
  * \ingroup fn
@@ -412,5 +411,3 @@ class GVSpan : public VSpanBase<void> {
 };
 
 }  // namespace blender::fn
-
-#endif /* __FN_SPANS_HH__ */