le_me questions

• What is the Vulkan equivalent of the GtkGLArea widget (GTK+)?
• How do I use the Rust parser (libsyntax) myself?
• How to raise a custom error code in sinatra?
• How do I return a Filter iterator from a function?
• How do I implement a trait I don't own for a type I don't own?
• How do I create a Vec from a range and shuffle it?

le_me answers