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-rw-r--r--rustversion/src/time.rs44
1 files changed, 0 insertions, 44 deletions
diff --git a/rustversion/src/time.rs b/rustversion/src/time.rs
deleted file mode 100644
index 1e6dd90..0000000
--- a/rustversion/src/time.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-use crate::date::Date;
-use std::time::{SystemTime, UNIX_EPOCH};
-
-// Timestamp of 2016-03-01 00:00:00 in UTC.
-const BASE: u64 = 1456790400;
-const BASE_YEAR: u16 = 2016;
-const BASE_MONTH: u8 = 3;
-
-// Days between leap days.
-const CYCLE: u64 = 365 * 4 + 1;
-
-const DAYS_BY_MONTH: [u8; 12] = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
-
-pub fn today() -> Date {
- let default = Date {
- year: 2019,
- month: 1,
- day: 1,
- };
- try_today().unwrap_or(default)
-}
-
-fn try_today() -> Option<Date> {
- let now = SystemTime::now();
- let since_epoch = now.duration_since(UNIX_EPOCH).ok()?;
- let secs = since_epoch.as_secs();
-
- let approx_days = secs.checked_sub(BASE)? / 60 / 60 / 24;
- let cycle = approx_days / CYCLE;
- let mut rem = approx_days % CYCLE;
-
- let mut year = BASE_YEAR + cycle as u16 * 4;
- let mut month = BASE_MONTH;
- loop {
- let days_in_month = DAYS_BY_MONTH[month as usize - 1];
- if rem < days_in_month as u64 {
- let day = rem as u8 + 1;
- return Some(Date { year, month, day });
- }
- rem -= days_in_month as u64;
- year += (month == 12) as u16;
- month = month % 12 + 1;
- }
-}