Can Rust match struct fields? For example, this code:
struct Point { x: bool, y: bool, } let point = Point { x: false, y: true }; match point { point.x => println!("x is true"), point.y => println!("y is true"), }
Should result in:
y is true
To get a specific value from a struct, we use dot notation. For example, to access this user's email address, we use user1. email . If the instance is mutable, we can change a value by using the dot notation and assigning into a particular field.
Patterns are a special syntax in Rust for matching against the structure of types, both complex and simple. Using patterns in conjunction with match expressions and other constructs gives you more control over a program's control flow.
Instead of matching on an element, call the method in the trait on it. TLDR: in Rust, to match over type, we create a trait, implement a function for each type and call it on the element to match. Surround it with backticks to mark it as code. Single backticks for inline code, triple backticks for code blocks.
Rust has an extremely powerful control flow construct called match that allows you to compare a value against a series of patterns and then execute code based on which pattern matches.
Can Rust match struct fields?
It is described in the Rust book in the "Destructuring structs" chapter.
match point { Point { x: true, .. } => println!("x is true"), Point { y: true, .. } => println!("y is true"), _ => println!("something else"), }
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