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Rust program to create a date-time object using ymd() and and_hms() function

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YasminRadwan26
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2022-07-19
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In this program, we will create a date-time object by specifying the date, month, year in the ymd() function and hour, minute, second in and_hms() function.

Add Chrono date-time external library to your project

  1. Create your project using the below command.
    $cargo new datetime -bin
  2. Goto the project folder cd datetime and edit Cargo.toml file.
    $datetime>nano Cargo.toml
  3. Then add dependency in Cargo.toml file
    [dependencies]
chrono = "0.4"
  4. After that, build your project using the below command
    $datetime>cargo build
  5. Then execute your project after modification in src/main.rs source file.
    $datetime>cargo run
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YasminRadwan26
2022-07-19
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Program/Source Code:

The source code to create and date-time object using ymd() and and_hms() function is given below. The given program is compiled and executed on UBUNTU 18.04 successfully.

// Rust program to create a date-time object 
// using ymd() and and_hms() function

use chrono::prelude::*;

fn main() {
    let dt = Utc.ymd(2014, 10, 23).and_hms(10, 12, 25);
    
    println!("Date time: {}", dt);
}

Output:

$datetime> cargo run
   Compiling datetime v0.1.0 (/home/arvind/Desktop/rust/datetime)
    Finished dev [unoptimized + debuginfo] target(s) in 0.29s
     Running `target/debug/datetime`

Date time: 2014-10-23 10:12:25 UTC

Explanation:

In the above program, we imported the "Chrono" library to our project for performing date and time operations. We imported the Chrono library using the below line:

use chrono::prelude::*;

In the main() function, we created a date-time object by specified year, month, date using the ymd() method and specifying hour, minute, second in and_hms() method. After that, we printed the created date-time object.

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