代码搜索：optional
找到约 6,947 项符合「optional」的源代码
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h apr_optional_hooks.h
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyrig
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cpp generate_collect_optional.cpp
// Copyright (C) 2006 Douglas Gregor
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or
www.eeworm.com/read/375190/2736915
cpp optional_deduced_sfinae.cpp
// Copyright Daniel Wallin 2006. Use, modification and distribution is
// subject to the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/
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cpp optional_test_inplace.cpp
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or c
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cpp optional_test_common.cpp
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or c
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cpp optional_test_io.cpp
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or c
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cpp optional_test_tie.cpp
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or c
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cpp optional_test_ref.cpp
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or c
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cpp optional_plus_multiplicable.cpp
// (C) Copyright Gennadiy Rozental 2001-2008.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_
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f90 optional_dim.f90
! { dg-do compile }
subroutine foo(a,n)
real, dimension(2) :: a
integer, optional :: n
print *,maxloc(a,dim=n) ! { dg-error "must not be OPTIONAL" }
print *,maxloc(a,dim=4) ! { dg-error "is no