src/doc/book/redirects/primitive-types.md

   1 % Primitive Types
   2
   3 <small>There is a new edition of the book and this is an old link.</small>
   4
   5 > Rust is a _statically typed_ language, which means that it must know the types of all variables at compile time.
   6 > The compiler can usually infer what type we want to use based on the value and how we use it.
   7 > In cases when many types are possible, a _type annotation_ must be added.
   8
   9 ```rust
  10 let x = 2.0; // f64
  11
  12 let y: f32 = 3.0; // f32
  13 ```
  14
  15 ---
  16
  17 Here are the relevant sections in the new and old books:
  18
  19 * **[In the second edition: Ch 3.02 — Data Types][2]**
  20 * <small>[In the first edition: Ch 3.3 — Primitive Types][1]</small>
  21
  22
  23 [1]: first-edition/primitive-types.html
  24 [2]: second-edition/ch03-02-data-types.html