update repo layout

en/src/lifetime/advance.md

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+# advance

en/src/lifetime/basic.md

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+## Lifetime
+1. 🌟
+```rust,editable
+/* Make it work */
+
+#[derive(Debug)]
+struct NoCopyType {}
+
+#[derive(Debug)]
+struct Example<'a, 'b> {
+    a: &'a u32,
+    b: &'b NoCopyType
+}
+
+fn main()
+{ 
+  /* 'a tied to fn-main stackframe */
+  let var_a = 35;
+  let example: Example;
+  
+  {
+    /* lifetime 'b tied to new stackframe/scope */ 
+    let var_b = NoCopyType {};
+    
+    /* fixme */
+    example = Example { a: &var_a, b: &var_b };
+  }
+  
+  println!("(Success!) {:?}", example);
+}
+```
+
+
+2. 🌟
+```rust,editable
+
+#[derive(Debug)]
+struct NoCopyType {}
+
+#[derive(Debug)]
+#[allow(dead_code)]
+struct Example<'a, 'b> {
+    a: &'a u32,
+    b: &'b NoCopyType
+}
+
+/* Fix function signature */
+fn fix_me(foo: &Example) -> &NoCopyType
+{ foo.b }
+
+fn main()
+{
+    let no_copy = NoCopyType {};
+    let example = Example { a: &1, b: &no_copy };
+    fix_me(&example);
+    print!("Success!")
+}
+```
+
+
+
+

en/src/lifetime/intro.md

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+# Lifetime
+Learning resources: 
+- English: [Rust Book 10.3](https://doc.rust-lang.org/book/ch07-00-managing-growing-projects-with-packages-crates-and-modules.html)
+- 简体中文: [Rust语言圣经 - 生命周期](https://course.rs/advance/lifetime/intro.html)
+

en/src/lifetime/static.md

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+# &'static and T: 'static
+
+```rust,editable
+use std::fmt::Display;
+
+fn main() {
+  let mut string = "First".to_owned();
+
+  string.push_str(string.to_uppercase().as_str());
+  print_a(&string);
+  print_b(&string);
+  print_c(&string); // Compilation error
+  print_d(&string); // Compilation error
+  print_e(&string);
+  print_f(&string);
+  print_g(&string); // Compilation error
+}
+
+fn print_a<T: Display + 'static>(t: &T) {
+  println!("{}", t);
+}
+
+fn print_b<T>(t: &T)
+where
+  T: Display + 'static,
+{
+  println!("{}", t);
+}
+
+fn print_c(t: &'static dyn Display) {
+  println!("{}", t)
+}
+
+fn print_d(t: &'static impl Display) {
+  println!("{}", t)
+}
+
+fn print_e(t: &(dyn Display + 'static)) {
+  println!("{}", t)
+}
+
+fn print_f(t: &(impl Display + 'static)) {
+  println!("{}", t)
+}
+
+fn print_g(t: &'static String) {
+  println!("{}", t);
+}
+```