Error code E0610
Attempted to access a field on a primitive type.
Erroneous code example:
#![allow(unused)] fn main() { let x: u32 = 0; println!("{}", x.foo); // error: `{integer}` is a primitive type, therefore // doesn't have fields }
Primitive types are the most basic types available in Rust and don't have fields. To access data via named fields, struct types are used. Example:
#![allow(unused)] fn main() { // We declare struct called `Foo` containing two fields: struct Foo { x: u32, y: i64, } // We create an instance of this struct: let variable = Foo { x: 0, y: -12 }; // And we can now access its fields: println!("x: {}, y: {}", variable.x, variable.y); }
For more information about primitives and structs, take a look at the Book.