is_leap_year

Whether year is a leap year in the Gregorian calendar.

A year is leap when it is divisible by 4, except centuries, which must be divisible by 400: 2000 and 2024 are leap, 1900 and 2023 are not.

Import

use helpers4::date::is_leap_year;

Cargo feature date (enabled by default). To compile only this module:

cargo add helpers4 --no-default-features --features date

or in Cargo.toml:

[dependencies]
helpers4 = { version = "0.0.6", default-features = false, features = ["date"] }

Signature

pub fn is_leap_year(year: i32) -> bool

Parameters

Parameter	Type	Description
year	i32	The year to check.

Returns

bool — true for a leap year.

Examples

use helpers4::date::is_leap_year;

assert!(is_leap_year(2024));
assert!(is_leap_year(2000));
assert!(!is_leap_year(1900));
assert!(!is_leap_year(2023));

Source

src/date/is_leap_year.rs