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| author |  Ciaran McCreesh <ciaran.mccreesh@googlemail.com>
| 2013-05-23 12:43:44 +0100 |
|---|---|---|
| committer | Ciaran McCreesh <ciaran.mccreesh@googlemail.com>
| 2013-05-23 20:57:35 +0100 |
| commit | f91b6e03c2d84dd8de1b5095b3caae404a3bf510 (patch) | |
| tree | adf1b1a72ced8f40adb323e665dc21172103ee97 | |
| parent | 9db1dd150c202646f671366e1adae0a93f01f346 (diff) | |
| download | paludis-f91b6e03c2d84dd8de1b5095b3caae404a3bf510.tar.gz paludis-f91b6e03c2d84dd8de1b5095b3caae404a3bf510.tar.xz | |
Simplify revisiting
| -rw-r--r-- | paludis/util/visitor.hh | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/paludis/util/visitor.hh b/paludis/util/visitor.hh index 8b2c0d96a..c51429b4a 100644 --- a/paludis/util/visitor.hh +++ b/paludis/util/visitor.hh @@ -23,6 +23,7 @@ #include <paludis/util/attributes.hh> #include <paludis/util/visitor-fwd.hh> #include <paludis/util/no_type.hh> +#include <functional> namespace paludis { @@ -218,6 +219,9 @@ namespace paludis return BaseMadeVisitor<CallResultType<Case_>, Case_, Cases_...>{ firstcase, cases... }; } + template <typename Result_, typename Base_> + using Revisit = std::function<Result_ (const Base_ &)>; + template <> class DeclareAbstractVisitMethods<TypeListTail> { |