diff options
Diffstat (limited to 'starts/meaning-vm/concept.hpp')
| -rw-r--r-- | starts/meaning-vm/concept.hpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/starts/meaning-vm/concept.hpp b/starts/meaning-vm/concept.hpp index c69ff10..eca2fa5 100644 --- a/starts/meaning-vm/concept.hpp +++ b/starts/meaning-vm/concept.hpp @@ -8,6 +8,7 @@ template <typename T> struct vref; struct concept; template <typename T> struct value; +class statementevaluable; struct ref { @@ -24,11 +25,11 @@ struct ref ref(char const * str) : ref(std::string(str)) { } ref(bool b) : ref(b ? "true" : "false") { } ref() : ref("nothing") { } - value<std::string> & name() const; // this is a reference so that its char pointer lasts + vref<std::string> name() const; operator const char *() const; // helper linking syntax sugar - ref operator=(ref that); + statementevaluable operator=(ref that); ref operator<<(ref target); ref operator[](ref links); @@ -75,12 +76,17 @@ struct concept }; template <typename T> -struct value : public concept, public T +struct value : public concept { - value(T const & val) : T(val) { } + value(T const & val) : data(val) { } value(value<T> const & val) = default; static value<T>& of(ref c) { return *static_cast<value<T>*>(c.ptr); } + + operator T&() { return data; } + operator T const &() const { return data; } + + T data; }; |