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What is the MAX constant in Rust?

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Overview

All integer types in Rust, signed and unsigned, have their maximum value. We can get this value for any integer type with the MAX constant.

Syntax

type::MAX
Syntax for MAX constant in Rust

Parameters

type: This represents any integer datatypes, such as u32 , u8, i64, and so on.

Example

fn main() {
println!("{}", u8::MAX);
println!("{}", u16::MAX);
println!("{}", u32::MAX);
println!("{}", u64::MAX);
println!("{}", u128::MAX);
println!("{}", i8::MAX);
println!("{}", i16::MAX);
println!("{}", i32::MAX);
println!("{}", i64::MAX);
println!("{}", i128::MAX);
}
Get the MAX constant of integer data types in Rust

Explanation

  • Lines 2–11: We use the MAX method to get the largest value representable by an integer datatype. Next, we print the result to the console.

RELATED TAGS

rust

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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