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Macros
#define	ION_ARGCOUNT_EXPAND(x) x
	Copyright 2016 Google Inc. More...

#define	ION_ARGCOUNT_CONCAT(a, b) a##b
	These macros allow a macro name to be concatenated. More...

#define	ION_ARGCOUNT_XCONCAT(a, b) ION_ARGCOUNT_CONCAT(a, b)

#define	ION_ARGCOUNT(...) ION_ARGCOUNT_EXPAND(ION_ARGCOUNT_(__VA_ARGS__, ION_ARGCOUNT_RSEQ_N()))

#define	ION_ARGCOUNT_(...) ION_ARGCOUNT_EXPAND(ION_ARGCOUNTN(__VA_ARGS__))

#define	ION_ARGCOUNTN(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10,_11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, N,...) N

#define	ION_ARGCOUNT_RSEQ_N()

Macro Definition Documentation

#define ION_ARGCOUNT ( ... ) ION_ARGCOUNT_EXPAND(ION_ARGCOUNT_(__VA_ARGS__, ION_ARGCOUNT_RSEQ_N()))

Definition at line 33 of file argcount.h.

#define ION_ARGCOUNT_ ( ... ) ION_ARGCOUNT_EXPAND(ION_ARGCOUNTN(__VA_ARGS__))

Definition at line 35 of file argcount.h.

#define ION_ARGCOUNT_CONCAT	(	a,
		b
	)	a##b

These macros allow a macro name to be concatenated.

Definition at line 30 of file argcount.h.

#define ION_ARGCOUNT_EXPAND ( x ) x

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.ION_ARGCOUNT(VA_ARGS) returns the number of arguments passed to it, up to 64 arguments. See: http://groups.google.com/group/comp.std.c/browse_thread/thread/77ee8c8f92e4a3fbugfc464319b1ee5?pli=1 NOLINT This expansion is unfortunately necessary because of a bug in VS2010 that does not expand VA_ARGS properly when passed to another macro.

Definition at line 27 of file argcount.h.

#define ION_ARGCOUNT_RSEQ_N ( )

Value:

63, 62, 61, 60,                         \
         59, 58, 57, 56, 55, 54, 53, 52, 51, 50, \
         49, 48, 47, 46, 45, 44, 43, 42, 41, 40, \
         39, 38, 37, 36, 35, 34, 33, 32, 31, 30, \
         29, 28, 27, 26, 25, 24, 23, 22, 21, 20, \
         19, 18, 17, 16, 15, 14, 13, 12, 11, 10, \
         9, 8, 7, 6, 5, 4, 3, 2, 1, 0

Definition at line 44 of file argcount.h.

#define ION_ARGCOUNT_XCONCAT	(	a,
		b
	)	ION_ARGCOUNT_CONCAT(a, b)

Definition at line 31 of file argcount.h.

#define ION_ARGCOUNTN	(	_1,
		_2,
		_3,
		_4,
		_5,
		_6,
		_7,
		_8,
		_9,
		_10,
		_11,
		_12,
		_13,
		_14,
		_15,
		_16,
		_17,
		_18,
		_19,
		_20,
		_21,
		_22,
		_23,
		_24,
		_25,
		_26,
		_27,
		_28,
		_29,
		_30,
		_31,
		_32,
		_33,
		_34,
		_35,
		_36,
		_37,
		_38,
		_39,
		_40,
		_41,
		_42,
		_43,
		_44,
		_45,
		_46,
		_47,
		_48,
		_49,
		_50,
		_51,
		_52,
		_53,
		_54,
		_55,
		_56,
		_57,
		_58,
		_59,
		_60,
		_61,
		_62,
		_63,
		N,
		...
	)	N

Definition at line 36 of file argcount.h.

Macros

Macro Definition Documentation