Breaking News: Grepper is joining You.com. Read the official announcement!

armanriazi•rust•error•[E0072]: recursive type `List` has infinite size --> src/main.rs:3:1 | 3 | enum List { | ^^^^^^^^^ recursive type has infinite size

ArmanRiazi answered on March 24, 2022 Popularity 1/10 Helpfulness 1/10

answer armanriazi•rust•error•[E0072]: recursive type `List` has infinite size --> src/main.rs:3:1 | 3 | enum List { | ^^^^^^^^^ recursive type has infinite size

armanriazi•rust•error•[E0072]: recursive type `List` has infinite size --> src/main.rs:3:1 | 3 | enum List { | ^^^^^^^^^ recursive type has infinite size

Comment

//resolved:Definition of List that uses Box<T> in order to have a known size
enum List {
    Cons(i32, Box<List>),
    Nil,
}

use crate::List::{Cons, Nil};

fn main() {
    let list = Cons(1, Box::new(Cons(2, Box::new(Cons(3, Box::new(Nil))))));
}

Popularity 1/10 Helpfulness 1/10 Language rust

Source: Grepper

Tags: infinite list recursive-type rust size

Link to this answer
Share Copy Link

Contributed on Mar 24 2022

ArmanRiazi

0 Answers Avg Quality 2/10

Continue with Google

By continuing, I agree that I have read and agree to Greppers's Terms of Service and Privacy Policy.

armanriazi•rust•error•[E0072]: recursive type `List` has infinite size --> src/main.rs:3:1 | 3 | enum List { | ^^^^^^^^^ recursive type has infinite size

Contents

More Related Answers

armanriazi•rust•error•[E0072]: recursive type `List` has infinite size --> src/main.rs:3:1 | 3 | enum List { | ^^^^^^^^^ recursive type has infinite size

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.