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Implement formula evaluation for DATE statement

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This commit is contained in:
Joscha 2021-12-06 12:47:19 +00:00
parent c391d76690
commit cb7c87b8b2
7 changed files with 237 additions and 30 deletions
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38
src/files/primitives.rs
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@ -129,32 +129,36 @@ impl From<chrono::Weekday> for Weekday {
}
impl Weekday {
pub fn name(&self) -> &'static str {
pub fn name(self) -> &'static str {
match self {
Weekday::Monday => "mon",
Weekday::Tuesday => "tue",
Weekday::Wednesday => "wed",
Weekday::Thursday => "thu",
Weekday::Friday => "fri",
Weekday::Saturday => "sat",
Weekday::Sunday => "sun",
Self::Monday => "mon",
Self::Tuesday => "tue",
Self::Wednesday => "wed",
Self::Thursday => "thu",
Self::Friday => "fri",
Self::Saturday => "sat",
Self::Sunday => "sun",
}
}
pub fn num(&self) -> u8 {
pub fn num(self) -> u8 {
match self {
Weekday::Monday => 1,
Weekday::Tuesday => 2,
Weekday::Wednesday => 3,
Weekday::Thursday => 4,
Weekday::Friday => 5,
Weekday::Saturday => 6,
Weekday::Sunday => 7,
Self::Monday => 1,
Self::Tuesday => 2,
Self::Wednesday => 3,
Self::Thursday => 4,
Self::Friday => 5,
Self::Saturday => 6,
Self::Sunday => 7,
}
}
pub fn is_weekend(self) -> bool {
matches!(self, Self::Saturday | Self::Sunday)
}
/// How many days from now until the other weekday.
pub fn until(&self, other: Self) -> u8 {
pub fn until(self, other: Self) -> u8 {
let num_self = self.num();
let num_other = other.num();
if num_self <= num_other {