walnut

walnut has asked 20 questions and find answers to 78 problems.

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walnut questions

Are pointers to allocated memory outside object's lifetime "invalid pointer[s]" or "pointer[s] to an object"?
Placement-new on array elements and pointer values
Deduction failure of function call with explicit template argument list and [temp.arg.explicit]/3
Use cases for function type typedefs with qualifiers
reinterpret_cast member function pointer to void(*&)()
User-provided std::allocator specialization
Unspecified Implicit Object Creation
Use of variable in own initializer
Calling non-static member function outside of object's lifetime in C++17

walnut answers

Why can't C++ deduce T in a call to Foo<T>::Foo(T&&)?
When are the ++c and c++ increments applied exactly here? [duplicate]
Is it always safe to use std::istream::peek()?
Different uses of noexcept
reserve() - data() trick on empty vector - is it correct?
Why does a user-provided default constructor lead to an uninitialized member?
C++ Function Template Questions
What's the right behavior when overloading operator delete without overloading new? gcc and clang differ
Trying to resolve a gcc specific compilation error
error: cannot bind non-const lvalue reference of type ‘bool&’ to an rvalue of type ‘bool’