Introduction
1.
Notation
1.1.
Unicode productions
1.2.
String table productions
2.
Lexical structure
2.1.
Input format
2.2.
Keywords
2.3.
Identifiers
2.4.
Comments
2.5.
Whitespace
2.6.
Tokens
2.7.
Paths
3.
Macros
3.1.
Macros By Example
3.2.
Procedural Macros
4.
Crates and source files
5.
Items and attributes
5.1.
Items
5.2.
Visibility and Privacy
5.3.
Attributes
6.
Statements and expressions
6.1.
Statements
6.2.
Expressions
7.
Type system
7.1.
Types
7.2.
Subtyping
7.3.
Type coercions
8.
Special traits
8.1.
The Copy trait
8.2.
The Sized trait
8.3.
The Drop trait
8.4.
The Deref trait
8.5.
The Send trait
8.6.
The Sync trait
9.
Memory model
9.1.
Memory allocation and lifetime
9.2.
Memory ownership
9.3.
Variables
10.
Linkage
11.
Unsafety
11.1.
Unsafe functions
11.2.
Unsafe blocks
11.3.
Behavior considered undefined
11.4.
Behavior not considered unsafe
Appendix: Influences
Appendix: As-yet-undocumented Features
Appendix: Glossory
The Rust Reference
The
Sync
trait
The
Sync
trait indicates that a value of this type is safe to share between multiple threads.