gigasecond: use PlainDateTime

exercises/practice/gigasecond/.docs/instructions.append.md

@@ -2,4 +2,4 @@
 
 ## The time crate
 
-If you're unsure what operations you can perform on `PrimitiveDateTime` take a look at the [time crate](https://docs.rs/time) which is listed as a dependency in the `Cargo.toml` file for this exercise.
+If you're unsure what operations you can perform on `PlainDateTime`, take a look at the [time crate](https://docs.rs/time) which is listed as a dependency in the `Cargo.toml` file for this exercise.

exercises/practice/gigasecond/.meta/example.rs

@@ -1,4 +1,4 @@
-use time::{Duration, PrimitiveDateTime as DateTime};
+use time::{Duration, PlainDateTime as DateTime};
 
 pub fn after(start: DateTime) -> DateTime {
     start + Duration::seconds(1_000_000_000)

exercises/practice/gigasecond/.meta/test_template.tera

@@ -43,10 +43,10 @@ fn {{ test.description | make_ident }}() {
 }
 {% endfor %}
 
-fn datetime(year: i32, month: u8, day: u8, hour: u8, minute: u8, second: u8) -> time::PrimitiveDateTime {
-    use time::{Date, PrimitiveDateTime, Time};
+fn datetime(year: i32, month: u8, day: u8, hour: u8, minute: u8, second: u8) -> time::PlainDateTime {
+    use time::{Date, PlainDateTime, Time};
 
-    PrimitiveDateTime::new(
+    PlainDateTime::new(
         Date::from_calendar_date(year, month.try_into().unwrap(), day).unwrap(),
         Time::from_hms(hour, minute, second).unwrap(),
     )

exercises/practice/gigasecond/src/lib.rs

@@ -1,4 +1,4 @@
-use time::PrimitiveDateTime as DateTime;
+use time::PlainDateTime as DateTime;
 
 // Returns a DateTime one billion seconds after start.
 pub fn after(start: DateTime) -> DateTime {

exercises/practice/gigasecond/tests/gigasecond.rs

@@ -49,10 +49,10 @@ fn datetime(
     hour: u8,
     minute: u8,
     second: u8,
-) -> time::PrimitiveDateTime {
-    use time::{Date, PrimitiveDateTime, Time};
+) -> time::PlainDateTime {
+    use time::{Date, PlainDateTime, Time};
 
-    PrimitiveDateTime::new(
+    PlainDateTime::new(
         Date::from_calendar_date(year, month.try_into().unwrap(), day).unwrap(),
         Time::from_hms(hour, minute, second).unwrap(),
     )