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Cleanups and clarification

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[SVN r2555]
This commit is contained in:
Dave Abrahams
2005-03-28 03:11:26 +00:00
parent c5826cb47b
commit 2c3c79aec5
2 changed files with 20 additions and 17 deletions
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21
test/named_params_sfinae.cpp
View File

@@ -16,8 +16,8 @@ namespace test
keyword<struct name_> name;
keyword<struct value_> value;
struct f_keywords
: keywords<
struct f_parameters
: parameters<
optional<
name_
, boost::is_convertible<boost::mpl::_, std::string>
@@ -29,33 +29,36 @@ namespace test
>
{};
template <class T> struct not_implemented;
template<class P>
void f_impl(P const& p)
{
std::string s = p[name | "bar"];
float v = p[value | 3.f];
std::cout << "s is " << s << std::endl;
assert(s == "foo");
assert(v == 3.f);
}
void f()
void f(...)
{
f_impl(f_keywords()());
f_impl(f_parameters()());
}
template<class A0>
void f(A0 const& a0
, typename f_keywords::restrict<A0>::type = f_keywords())
, typename f_parameters::restrict<A0>::type = f_parameters())
{
f_impl(f_keywords()(a0));
f_impl(f_parameters()(a0));
}
template<class A0, class A1>
void f(A0 const& a0, A1 const& a1
, typename f_keywords::restrict<A0, A1>::type = f_keywords())
, typename f_parameters::restrict<A0, A1>::type = f_parameters())
{
f_impl(f_keywords()(a0, a1));
f_impl(f_parameters()(a0, a1));
}
} // namespace test

16
test/named_params_test.cpp
View File

@@ -19,8 +19,8 @@ namespace test
keyword<struct index_> index;
keyword<struct tester_> tester;
struct f_keywords // vc6 is happier with inheritance than with a typedef
: keywords<
struct f_parameters // vc6 is happier with inheritance than with a typedef
: parameters<
tester_
, name_
, value_
@@ -49,19 +49,19 @@ namespace test
int f(Tester const& t, const Name& name_,
const Value& value_, const Index& index_)
{
return f_impl(f_keywords()(t, name_, value_, index_));
return f_impl(f_parameters()(t, name_, value_, index_));
}
template<class Tester, class Name, class Value>
int f(Tester const& t, const Name& name_, const Value& value_)
{
return f_impl(f_keywords()(t, name_, value_));
return f_impl(f_parameters()(t, name_, value_));
}
template<class Tester, class Name>
int f(Tester const& t, const Name& name_)
{
return f_impl(f_keywords()(t, name_));
return f_impl(f_parameters()(t, name_));
}
template<class Params>
@@ -120,7 +120,7 @@ namespace test
return values_t<Name,Value,Index>(n,v,i);
}
typedef f_keywords g_keywords;
typedef f_parameters g_parameters;
template<class Args>
int g_impl(Args const& args)
@@ -131,13 +131,13 @@ namespace test
template<class A0>
int g(A0 const& a0)
{
return g_impl(g_keywords(a0));
return g_impl(g_parameters(a0));
}
template<class A0, class A1>
int g(A0 const& a0, A1 const& a1)
{
return g_impl(g_keywords(a0, a1));
return g_impl(g_parameters(a0, a1));
}
}