# time-tz
An implementation of the tz database for the time-rs Rust crate.
This implementation is based off of chrono-tz (https://github.com/chronotope/chrono-tz) but uses time-rs instead
of chrono. This is designed to replace use of chono dependency which is impacted by CVE-2020-26235
(localtime_r thread safety issue linked to std::env::set_var).
**This is currently an experimental crate.**
## Features
- Injects an `assume_timezone` member function to any `PrimitiveDateTime`.
- Injects a `to_timezone` member function to any `OffsetDateTime`.
- Provides a `timezones::get_by_name` function to get a timezone by name.
- Supports finding the closest IANA match from a windows timezone name.
- Supports obtaining system's current timezone (through the `system` feature).
## Usage
```rust
use time::macros::datetime;
use time_tz::{PrimitiveDateTimeExt, OffsetDateTimeExt, timezones};
fn main()
{
// ===========================================
// Create a new datetime in a given timezone
// ===========================================
// First we have to get the source timezone:
let london = timezones::db::europe::LONDON;
// The function returns None if the timezone doesn't exist.
// Now we can create a primitive date time and call the extension function:
let dt = datetime!(2016-10-8 17:0:0).assume_timezone(london);
// ===========================
// Convert to a new timezone
// ===========================
// First we get the target timezone:
let berlin = timezones::db::europe::BERLIN;
// Now we can convert (again by calling an extension function):
let converted = dt.to_timezone(berlin);
// ... do something with converted
}
```