Length

Validate the length of a string or iterable.

#![allow(unused)]
fn main() {
extern crate fortifier;

use fortifier::Validate;

#[derive(Validate)]
struct User {
    #[validate(length(min = 1, max = 256))]
    name: String
}
}

Types

String

• str
• String

Validate the amount of characters (chars) in a string.

Iterable

• [T] (slice)
• [T; N] (array)
• BTreeSet
• BTreeMap
• HashSet
• HashMap
• IndexSet (requires feature indexmap)
• IndexMap (requires feature indexmap)
• LinkedList
• Vec
• VecDeque

Validate the amount of entries in an iterable.

Options

equal

The length should be equal to the specified expression.

#![allow(unused)]
fn main() {
extern crate fortifier;

use fortifier::Validate;

#[derive(Validate)]
struct User {
    #[validate(length(equal = 2))]
    country_code: String
}
}

min

The length should be equal to or greater than the specified expression.

#![allow(unused)]
fn main() {
extern crate fortifier;

use fortifier::Validate;

#[derive(Validate)]
struct User {
    #[validate(length(min = 1))]
    name: String
}
}

max

The length should be equal to or less than the specified expression.

#![allow(unused)]
fn main() {
extern crate fortifier;

use fortifier::Validate;

#[derive(Validate)]
struct User {
    #[validate(length(max = 256))]
    name: String
}
}