Basic Concepts & Syntax

Basic Concepts & Syntax covers Rust’s first-layer language mechanics: bindings, primitive data, functions, expressions, control flow, and comments.

Concepts

• Variables and Mutability
• Shadowing
• Constants
• Static Items
• Scalar Types
• Boolean Logic
• Integer Overflow
• Type Inference
• Tuples
• Arrays
• Functions
• Generic Functions
• Name Resolution
• Statements vs Expressions
• Control Flow
• If Expressions
• Loop Expressions
• While and For Loops
• Iterator Method Trio
• Comments
• The Display Trait
• The Debug Trait
• PartialEq
• UnsafeCell
• Build-Time Code Execution
• Private Fields with Public Constructors
• Readable Generic APIs

Patterns

• Documentation Comments

Antipatterns

• Relying on Integer Overflow

See also

Ownership · Borrowing · Pattern Matching · Slices · Vectors · Result · Testing

Sources

• The Rust Programming Language, ch. 3 “Common Programming Concepts” — the-book, https://doc.rust-lang.org/book/ch03-00-common-programming-concepts.html
• The Rust Reference, “Types” — the-reference, https://doc.rust-lang.org/reference/types.html
• The Rust Reference, “Statements and expressions” — the-reference, https://doc.rust-lang.org/reference/statements-and-expressions.html