Jason Yu questions

• Are there any simple ways to check whether a value cannot be safely presented by another type?
• Can I capture some things by reference and others by value in a closure?
• How to understand the "align" attribute in WebAssembly?
• Why do raw pointers need the const keyword when references don't?
• Why can the template not be instantiated in this piece of C++ code?
• How does Rust retrieve the input argc and argv values from a running program?
• How does ADL affect this piece of C++ code?
• What exactly is "*const ()" in Rust?

Jason Yu answers