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September 21, 2019 11:28
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#[test] | |
fn basic_test() { | |
assert_eq!(day_of_year("2019-01-09".to_string()), 9); | |
assert_eq!(day_of_year("2019-02-10".to_string()), 41); | |
assert_eq!(day_of_year("2003-03-01".to_string()), 60); | |
assert_eq!(day_of_year("2004-03-01".to_string()), 61); | |
} | |
pub fn day_of_year(date: String) -> i32 { | |
let vec: Vec<&str> = date.split("-").collect(); | |
[(vec[0],vec[1],vec[2])].iter().map(|(year,month,day)| | |
match month { | |
&"01" => day.parse().unwrap(), | |
&"02" => day.parse().unwrap() + 31, | |
_ => match year.parse().unwrap(){ | |
y if y%4==0&&y%100!=0 | |
||y%400==0&&y%3200!=0 | |
||y%172800==0=> | |
match month { | |
&"03" => day.parse().unwrap()+31+29, | |
&"04" => day.parse().unwrap()+31+29+31, | |
&"05" => day.parse().unwrap()+31+29+31+30, | |
&"06" => day.parse().unwrap()+31+29+31+30+31, | |
&"07" => day.parse().unwrap()+31+29+31+30+31+30, | |
&"08" => day.parse().unwrap()+31+29+31+30+31+30+31, | |
&"09" => day.parse().unwrap()+31+29+31+30+31+30+31+31, | |
&"10" => day.parse().unwrap()+31+29+31+30+31+30+31+31+30, | |
&"11" => day.parse().unwrap()+31+29+31+30+31+30+31+31+30+31, | |
&"12" => day.parse().unwrap()+31+29+31+30+31+30+31+31+30+31+30 | |
}, | |
_ => match month{ | |
&"03" => day.parse().unwrap()+31+28, | |
&"04" => day.parse().unwrap()+31+28+31, | |
&"05" => day.parse().unwrap()+31+28+31+30, | |
&"06" => day.parse().unwrap()+31+28+31+30+31, | |
&"07" => day.parse().unwrap()+31+28+31+30+31+30, | |
&"08" => day.parse().unwrap()+31+28+31+30+31+30+31, | |
&"09" => day.parse().unwrap()+31+28+31+30+31+30+31+31, | |
&"10" => day.parse().unwrap()+31+28+31+30+31+30+31+31+30, | |
&"11" => day.parse().unwrap()+31+28+31+30+31+30+31+31+30+31, | |
&"12" => day.parse().unwrap()+31+28+31+30+31+30+31+31+30+31+30 | |
} | |
} | |
} | |
).collect() | |
} |
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