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#feature on safety #include <https://raw.githubusercontent.com/cppalliance/safe-cpp/master/libsafecxx/single-header/std2.h?token=$(date%20+%s)> int main() safe { // Objects start off uninitialized. A use of an uninitialized // object is ill-formed. std2::string s; // Require explicit initialization. s = std2::string("Hello "); // Require explicit mutation. mut s.append("World"); // Require explicit relocation. std2::string s2 = rel s; // Now s is uninitialized. // Require explicit non-trivial copy. std2::string s3 = cpy s2; // `Hello World`. println(s3); }
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