boost/yap
2
0
Fork 0
mirror of https://github.com/boostorg/yap.git synced 2026-02-26 05:12:13 +00:00
Code Issues Projects Releases Wiki Activity

Document expression_fwd.hpp and print.hpp.

Browse Source
This commit is contained in:
Zach Laine
2016-12-03 19:09:18 -06:00
parent 3228610d8c
commit fd3f75cdd6
2 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
boost/yap/expression_fwd.hpp
View File

@@ -69,15 +69,25 @@ namespace boost { namespace yap {
call ///< \c ()
};
#ifndef BOOST_YAP_DOXYGEN
template <expr_kind Kind, typename Tuple>
struct expression;
#ifndef BOOST_YAP_DOXYGEN
/** A convenience alias for a terminal expression holding a \a T,
instantiated from expression template \a expr_template. */
template <typename T, template <expr_kind, class> class expr_template = expression>
using terminal = expr_template<expr_kind::terminal, hana::tuple<T>>;
/** A convenience alias for a reference expression holding an expression
\a T, instantiated from expression template \a expr_template. */
template <typename T, template <expr_kind, class> class expr_template = expression>
using expression_ref = expr_template<expr_kind::expr_ref, hana::tuple<std::remove_reference_t<T> *>>;
#endif // BOOST_YAP_DOXYGEN
template <typename Expr, typename ...T>
decltype(auto) evaluate (Expr && expr, T && ...t);
@@ -99,8 +109,11 @@ namespace boost { namespace yap {
template <typename Expr>
decltype(auto) right (Expr && expr);
#endif // BOOST_YAP_DOXYGEN
namespace literals {
/** Creates literal placeholders. Placeholder indices are 1-based. */
template <char ...c>
constexpr auto operator"" _p ()
{
@@ -111,6 +124,8 @@ namespace boost { namespace yap {
}
#ifndef BOOST_YAP_DOXYGEN
// Tag types -- one per expr_kind:
struct expr_ref_tag {};
@@ -170,6 +185,8 @@ namespace boost { namespace yap {
// n-ary
struct call_tag {}; // ()
#endif // BOOST_YAP_DOXYGEN
} }
#endif

1
boost/yap/print.hpp
View File

@@ -119,6 +119,7 @@ namespace boost { namespace yap {
}
/** Prints expression \a expr to stream \a os. Returns \a os. */
template <typename Expr>
std::ostream & print (std::ostream & os, Expr const & expr)
{ return detail::print_impl(os, expr, 0, " "); }