<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/Users/m018/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.4.31/src/month.rs`."><title>month.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Regular-46f98efaafac5295.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Regular-018c141bf0843ffd.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/FiraSans-Medium-8f9a781e4970d388.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceSerif4-Bold-a2c9cd1067f8b328.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2"><link rel="stylesheet" href="../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../static.files/rustdoc-c4dbdcde0fbd8430.css" id="mainThemeStyle"><link rel="stylesheet" id="themeStyle" href="../../static.files/light-db279b6232be9c13.css"><link rel="stylesheet" disabled href="../../static.files/dark-cf923f49f397b216.css"><link rel="stylesheet" disabled href="../../static.files/ayu-be46fdc453a55015.css"><script src="../../static.files/storage-3891ce972e3a2bf8.js"></script><script defer src="../../static.files/source-script-1b95b7cca98b26e5.js"></script><script defer src="../../source-files.js"></script><script defer src="../../static.files/main-98a684e84ae5b08b.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-13285aec31fa243e.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-16x16-8b506e7a72182f1c.png"><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"></nav><main><nav class="sub"><a class="sub-logo-container" href="../../chrono/index.html"><img class="rust-logo" src="../../static.files/rust-logo-151179464ae7ed46.svg" alt="logo"></a><form class="search-form"><span></span><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../static.files/wheel-7b819b6101059cd0.svg"></a></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><a href="#1" id="1">1</a>
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</pre><pre class="rust"><code><span class="kw">use </span>core::fmt;
<span class="attr">#[cfg(feature = <span class="string">"rkyv"</span>)]
</span><span class="kw">use </span>rkyv::{Archive, Deserialize, Serialize};
<span class="kw">use </span><span class="kw">crate</span>::OutOfRange;
<span class="doccomment">/// The month of the year.
///
/// This enum is just a convenience implementation.
/// The month in dates created by DateLike objects does not return this enum.
///
/// It is possible to convert from a date to a month independently
/// ```
/// use chrono::prelude::*;
/// let date = Utc.with_ymd_and_hms(2019, 10, 28, 9, 10, 11).unwrap();
/// // `2019-10-28T09:10:11Z`
/// let month = Month::try_from(u8::try_from(date.month()).unwrap()).ok();
/// assert_eq!(month, Some(Month::October))
/// ```
/// Or from a Month to an integer usable by dates
/// ```
/// # use chrono::prelude::*;
/// let month = Month::January;
/// let dt = Utc.with_ymd_and_hms(2019, month.number_from_month(), 28, 9, 10, 11).unwrap();
/// assert_eq!((dt.year(), dt.month(), dt.day()), (2019, 1, 28));
/// ```
/// Allows mapping from and to month, from 1-January to 12-December.
/// Can be Serialized/Deserialized with serde
</span><span class="comment">// Actual implementation is zero-indexed, API intended as 1-indexed for more intuitive behavior.
</span><span class="attr">#[derive(PartialEq, Eq, Copy, Clone, Debug, Hash, PartialOrd, Ord)]
#[cfg_attr(feature = <span class="string">"rustc-serialize"</span>, derive(RustcEncodable, RustcDecodable))]
#[cfg_attr(feature = <span class="string">"rkyv"</span>, derive(Archive, Deserialize, Serialize))]
#[cfg_attr(feature = <span class="string">"arbitrary"</span>, derive(arbitrary::Arbitrary))]
</span><span class="kw">pub enum </span>Month {
<span class="doccomment">/// January
</span>January = <span class="number">0</span>,
<span class="doccomment">/// February
</span>February = <span class="number">1</span>,
<span class="doccomment">/// March
</span>March = <span class="number">2</span>,
<span class="doccomment">/// April
</span>April = <span class="number">3</span>,
<span class="doccomment">/// May
</span>May = <span class="number">4</span>,
<span class="doccomment">/// June
</span>June = <span class="number">5</span>,
<span class="doccomment">/// July
</span>July = <span class="number">6</span>,
<span class="doccomment">/// August
</span>August = <span class="number">7</span>,
<span class="doccomment">/// September
</span>September = <span class="number">8</span>,
<span class="doccomment">/// October
</span>October = <span class="number">9</span>,
<span class="doccomment">/// November
</span>November = <span class="number">10</span>,
<span class="doccomment">/// December
</span>December = <span class="number">11</span>,
}
<span class="kw">impl </span>Month {
<span class="doccomment">/// The next month.
///
/// `m`: | `January` | `February` | `...` | `December`
/// ----------- | --------- | ---------- | --- | ---------
/// `m.succ()`: | `February` | `March` | `...` | `January`
</span><span class="attr">#[inline]
#[must_use]
</span><span class="kw">pub const fn </span>succ(<span class="kw-2">&</span><span class="self">self</span>) -> Month {
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
Month::January => Month::February,
Month::February => Month::March,
Month::March => Month::April,
Month::April => Month::May,
Month::May => Month::June,
Month::June => Month::July,
Month::July => Month::August,
Month::August => Month::September,
Month::September => Month::October,
Month::October => Month::November,
Month::November => Month::December,
Month::December => Month::January,
}
}
<span class="doccomment">/// The previous month.
///
/// `m`: | `January` | `February` | `...` | `December`
/// ----------- | --------- | ---------- | --- | ---------
/// `m.pred()`: | `December` | `January` | `...` | `November`
</span><span class="attr">#[inline]
#[must_use]
</span><span class="kw">pub const fn </span>pred(<span class="kw-2">&</span><span class="self">self</span>) -> Month {
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
Month::January => Month::December,
Month::February => Month::January,
Month::March => Month::February,
Month::April => Month::March,
Month::May => Month::April,
Month::June => Month::May,
Month::July => Month::June,
Month::August => Month::July,
Month::September => Month::August,
Month::October => Month::September,
Month::November => Month::October,
Month::December => Month::November,
}
}
<span class="doccomment">/// Returns a month-of-year number starting from January = 1.
///
/// `m`: | `January` | `February` | `...` | `December`
/// -------------------------| --------- | ---------- | --- | -----
/// `m.number_from_month()`: | 1 | 2 | `...` | 12
</span><span class="attr">#[inline]
#[must_use]
</span><span class="kw">pub const fn </span>number_from_month(<span class="kw-2">&</span><span class="self">self</span>) -> u32 {
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
Month::January => <span class="number">1</span>,
Month::February => <span class="number">2</span>,
Month::March => <span class="number">3</span>,
Month::April => <span class="number">4</span>,
Month::May => <span class="number">5</span>,
Month::June => <span class="number">6</span>,
Month::July => <span class="number">7</span>,
Month::August => <span class="number">8</span>,
Month::September => <span class="number">9</span>,
Month::October => <span class="number">10</span>,
Month::November => <span class="number">11</span>,
Month::December => <span class="number">12</span>,
}
}
<span class="doccomment">/// Get the name of the month
///
/// ```
/// use chrono::Month;
///
/// assert_eq!(Month::January.name(), "January")
/// ```
</span><span class="attr">#[must_use]
</span><span class="kw">pub const fn </span>name(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="lifetime">'static </span>str {
<span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{
Month::January => <span class="string">"January"</span>,
Month::February => <span class="string">"February"</span>,
Month::March => <span class="string">"March"</span>,
Month::April => <span class="string">"April"</span>,
Month::May => <span class="string">"May"</span>,
Month::June => <span class="string">"June"</span>,
Month::July => <span class="string">"July"</span>,
Month::August => <span class="string">"August"</span>,
Month::September => <span class="string">"September"</span>,
Month::October => <span class="string">"October"</span>,
Month::November => <span class="string">"November"</span>,
Month::December => <span class="string">"December"</span>,
}
}
}
<span class="kw">impl </span>TryFrom<u8> <span class="kw">for </span>Month {
<span class="kw">type </span>Error = OutOfRange;
<span class="kw">fn </span>try_from(value: u8) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, <span class="self">Self</span>::Error> {
<span class="kw">match </span>value {
<span class="number">1 </span>=> <span class="prelude-val">Ok</span>(Month::January),
<span class="number">2 </span>=> <span class="prelude-val">Ok</span>(Month::February),
<span class="number">3 </span>=> <span class="prelude-val">Ok</span>(Month::March),
<span class="number">4 </span>=> <span class="prelude-val">Ok</span>(Month::April),
<span class="number">5 </span>=> <span class="prelude-val">Ok</span>(Month::May),
<span class="number">6 </span>=> <span class="prelude-val">Ok</span>(Month::June),
<span class="number">7 </span>=> <span class="prelude-val">Ok</span>(Month::July),
<span class="number">8 </span>=> <span class="prelude-val">Ok</span>(Month::August),
<span class="number">9 </span>=> <span class="prelude-val">Ok</span>(Month::September),
<span class="number">10 </span>=> <span class="prelude-val">Ok</span>(Month::October),
<span class="number">11 </span>=> <span class="prelude-val">Ok</span>(Month::November),
<span class="number">12 </span>=> <span class="prelude-val">Ok</span>(Month::December),
<span class="kw">_ </span>=> <span class="prelude-val">Err</span>(OutOfRange::new()),
}
}
}
<span class="kw">impl </span>num_traits::FromPrimitive <span class="kw">for </span>Month {
<span class="doccomment">/// Returns an `Option<Month>` from a i64, assuming a 1-index, January = 1.
///
/// `Month::from_i64(n: i64)`: | `1` | `2` | ... | `12`
/// ---------------------------| -------------------- | --------------------- | ... | -----
/// ``: | Some(Month::January) | Some(Month::February) | ... | Some(Month::December)
</span><span class="attr">#[inline]
</span><span class="kw">fn </span>from_u64(n: u64) -> <span class="prelude-ty">Option</span><Month> {
<span class="self">Self</span>::from_u32(n <span class="kw">as </span>u32)
}
<span class="attr">#[inline]
</span><span class="kw">fn </span>from_i64(n: i64) -> <span class="prelude-ty">Option</span><Month> {
<span class="self">Self</span>::from_u32(n <span class="kw">as </span>u32)
}
<span class="attr">#[inline]
</span><span class="kw">fn </span>from_u32(n: u32) -> <span class="prelude-ty">Option</span><Month> {
<span class="kw">match </span>n {
<span class="number">1 </span>=> <span class="prelude-val">Some</span>(Month::January),
<span class="number">2 </span>=> <span class="prelude-val">Some</span>(Month::February),
<span class="number">3 </span>=> <span class="prelude-val">Some</span>(Month::March),
<span class="number">4 </span>=> <span class="prelude-val">Some</span>(Month::April),
<span class="number">5 </span>=> <span class="prelude-val">Some</span>(Month::May),
<span class="number">6 </span>=> <span class="prelude-val">Some</span>(Month::June),
<span class="number">7 </span>=> <span class="prelude-val">Some</span>(Month::July),
<span class="number">8 </span>=> <span class="prelude-val">Some</span>(Month::August),
<span class="number">9 </span>=> <span class="prelude-val">Some</span>(Month::September),
<span class="number">10 </span>=> <span class="prelude-val">Some</span>(Month::October),
<span class="number">11 </span>=> <span class="prelude-val">Some</span>(Month::November),
<span class="number">12 </span>=> <span class="prelude-val">Some</span>(Month::December),
<span class="kw">_ </span>=> <span class="prelude-val">None</span>,
}
}
}
<span class="doccomment">/// A duration in calendar months
</span><span class="attr">#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq, PartialOrd, Ord)]
#[cfg_attr(feature = <span class="string">"arbitrary"</span>, derive(arbitrary::Arbitrary))]
</span><span class="kw">pub struct </span>Months(<span class="kw">pub</span>(<span class="kw">crate</span>) u32);
<span class="kw">impl </span>Months {
<span class="doccomment">/// Construct a new `Months` from a number of months
</span><span class="kw">pub const fn </span>new(num: u32) -> <span class="self">Self </span>{
<span class="self">Self</span>(num)
}
}
<span class="doccomment">/// An error resulting from reading `<Month>` value with `FromStr`.
</span><span class="attr">#[derive(Clone, PartialEq, Eq)]
</span><span class="kw">pub struct </span>ParseMonthError {
<span class="kw">pub</span>(<span class="kw">crate</span>) _dummy: (),
}
<span class="attr">#[cfg(feature = <span class="string">"std"</span>)]
#[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"std"</span>)))]
</span><span class="kw">impl </span>std::error::Error <span class="kw">for </span>ParseMonthError {}
<span class="kw">impl </span>fmt::Display <span class="kw">for </span>ParseMonthError {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result {
<span class="macro">write!</span>(f, <span class="string">"ParseMonthError {{ .. }}"</span>)
}
}
<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>ParseMonthError {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result {
<span class="macro">write!</span>(f, <span class="string">"ParseMonthError {{ .. }}"</span>)
}
}
<span class="attr">#[cfg(feature = <span class="string">"serde"</span>)]
#[cfg_attr(docsrs, doc(cfg(feature = <span class="string">"serde"</span>)))]
</span><span class="kw">mod </span>month_serde {
<span class="kw">use </span><span class="kw">super</span>::Month;
<span class="kw">use </span>serde::{de, ser};
<span class="kw">use </span>core::fmt;
<span class="kw">impl </span>ser::Serialize <span class="kw">for </span>Month {
<span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error>
<span class="kw">where
</span>S: ser::Serializer,
{
serializer.collect_str(<span class="self">self</span>.name())
}
}
<span class="kw">struct </span>MonthVisitor;
<span class="kw">impl</span><<span class="lifetime">'de</span>> de::Visitor<<span class="lifetime">'de</span>> <span class="kw">for </span>MonthVisitor {
<span class="kw">type </span>Value = Month;
<span class="kw">fn </span>expecting(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result {
f.write_str(<span class="string">"Month"</span>)
}
<span class="kw">fn </span>visit_str<E>(<span class="self">self</span>, value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>::Value, E>
<span class="kw">where
</span>E: de::Error,
{
value.parse().map_err(|<span class="kw">_</span>| E::custom(<span class="string">"short (3-letter) or full month names expected"</span>))
}
}
<span class="kw">impl</span><<span class="lifetime">'de</span>> de::Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span>Month {
<span class="kw">fn </span>deserialize<D>(deserializer: D) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, D::Error>
<span class="kw">where
</span>D: de::Deserializer<<span class="lifetime">'de</span>>,
{
deserializer.deserialize_str(MonthVisitor)
}
}
}
<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use </span><span class="kw">super</span>::Month;
<span class="kw">use crate</span>::{Datelike, OutOfRange, TimeZone, Utc};
<span class="attr">#[test]
</span><span class="kw">fn </span>test_month_enum_try_from() {
<span class="macro">assert_eq!</span>(Month::try_from(<span class="number">1</span>), <span class="prelude-val">Ok</span>(Month::January));
<span class="macro">assert_eq!</span>(Month::try_from(<span class="number">2</span>), <span class="prelude-val">Ok</span>(Month::February));
<span class="macro">assert_eq!</span>(Month::try_from(<span class="number">12</span>), <span class="prelude-val">Ok</span>(Month::December));
<span class="macro">assert_eq!</span>(Month::try_from(<span class="number">13</span>), <span class="prelude-val">Err</span>(OutOfRange::new()));
<span class="kw">let </span>date = Utc.with_ymd_and_hms(<span class="number">2019</span>, <span class="number">10</span>, <span class="number">28</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>).unwrap();
<span class="macro">assert_eq!</span>(Month::try_from(date.month() <span class="kw">as </span>u8), <span class="prelude-val">Ok</span>(Month::October));
<span class="kw">let </span>month = Month::January;
<span class="kw">let </span>dt = Utc.with_ymd_and_hms(<span class="number">2019</span>, month.number_from_month(), <span class="number">28</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>).unwrap();
<span class="macro">assert_eq!</span>((dt.year(), dt.month(), dt.day()), (<span class="number">2019</span>, <span class="number">1</span>, <span class="number">28</span>));
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_month_enum_primitive_parse() {
<span class="kw">use </span>num_traits::FromPrimitive;
<span class="kw">let </span>jan_opt = Month::from_u32(<span class="number">1</span>);
<span class="kw">let </span>feb_opt = Month::from_u64(<span class="number">2</span>);
<span class="kw">let </span>dec_opt = Month::from_i64(<span class="number">12</span>);
<span class="kw">let </span>no_month = Month::from_u32(<span class="number">13</span>);
<span class="macro">assert_eq!</span>(jan_opt, <span class="prelude-val">Some</span>(Month::January));
<span class="macro">assert_eq!</span>(feb_opt, <span class="prelude-val">Some</span>(Month::February));
<span class="macro">assert_eq!</span>(dec_opt, <span class="prelude-val">Some</span>(Month::December));
<span class="macro">assert_eq!</span>(no_month, <span class="prelude-val">None</span>);
<span class="kw">let </span>date = Utc.with_ymd_and_hms(<span class="number">2019</span>, <span class="number">10</span>, <span class="number">28</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>).unwrap();
<span class="macro">assert_eq!</span>(Month::from_u32(date.month()), <span class="prelude-val">Some</span>(Month::October));
<span class="kw">let </span>month = Month::January;
<span class="kw">let </span>dt = Utc.with_ymd_and_hms(<span class="number">2019</span>, month.number_from_month(), <span class="number">28</span>, <span class="number">9</span>, <span class="number">10</span>, <span class="number">11</span>).unwrap();
<span class="macro">assert_eq!</span>((dt.year(), dt.month(), dt.day()), (<span class="number">2019</span>, <span class="number">1</span>, <span class="number">28</span>));
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_month_enum_succ_pred() {
<span class="macro">assert_eq!</span>(Month::January.succ(), Month::February);
<span class="macro">assert_eq!</span>(Month::December.succ(), Month::January);
<span class="macro">assert_eq!</span>(Month::January.pred(), Month::December);
<span class="macro">assert_eq!</span>(Month::February.pred(), Month::January);
}
<span class="attr">#[test]
</span><span class="kw">fn </span>test_month_partial_ord() {
<span class="macro">assert!</span>(Month::January <= Month::January);
<span class="macro">assert!</span>(Month::January < Month::February);
<span class="macro">assert!</span>(Month::January < Month::December);
<span class="macro">assert!</span>(Month::July >= Month::May);
<span class="macro">assert!</span>(Month::September > Month::March);
}
<span class="attr">#[test]
#[cfg(feature = <span class="string">"serde"</span>)]
</span><span class="kw">fn </span>test_serde_serialize() {
<span class="kw">use </span>serde_json::to_string;
<span class="kw">use </span>Month::<span class="kw-2">*</span>;
<span class="kw">let </span>cases: Vec<(Month, <span class="kw-2">&</span>str)> = <span class="macro">vec!</span>[
(January, <span class="string">"\"January\""</span>),
(February, <span class="string">"\"February\""</span>),
(March, <span class="string">"\"March\""</span>),
(April, <span class="string">"\"April\""</span>),
(May, <span class="string">"\"May\""</span>),
(June, <span class="string">"\"June\""</span>),
(July, <span class="string">"\"July\""</span>),
(August, <span class="string">"\"August\""</span>),
(September, <span class="string">"\"September\""</span>),
(October, <span class="string">"\"October\""</span>),
(November, <span class="string">"\"November\""</span>),
(December, <span class="string">"\"December\""</span>),
];
<span class="kw">for </span>(month, expected_str) <span class="kw">in </span>cases {
<span class="kw">let </span>string = to_string(<span class="kw-2">&</span>month).unwrap();
<span class="macro">assert_eq!</span>(string, expected_str);
}
}
<span class="attr">#[test]
#[cfg(feature = <span class="string">"serde"</span>)]
</span><span class="kw">fn </span>test_serde_deserialize() {
<span class="kw">use </span>serde_json::from_str;
<span class="kw">use </span>Month::<span class="kw-2">*</span>;
<span class="kw">let </span>cases: Vec<(<span class="kw-2">&</span>str, Month)> = <span class="macro">vec!</span>[
(<span class="string">"\"january\""</span>, January),
(<span class="string">"\"jan\""</span>, January),
(<span class="string">"\"FeB\""</span>, February),
(<span class="string">"\"MAR\""</span>, March),
(<span class="string">"\"mar\""</span>, March),
(<span class="string">"\"april\""</span>, April),
(<span class="string">"\"may\""</span>, May),
(<span class="string">"\"june\""</span>, June),
(<span class="string">"\"JULY\""</span>, July),
(<span class="string">"\"august\""</span>, August),
(<span class="string">"\"september\""</span>, September),
(<span class="string">"\"October\""</span>, October),
(<span class="string">"\"November\""</span>, November),
(<span class="string">"\"DECEmbEr\""</span>, December),
];
<span class="kw">for </span>(string, expected_month) <span class="kw">in </span>cases {
<span class="kw">let </span>month = from_str::<Month>(string).unwrap();
<span class="macro">assert_eq!</span>(month, expected_month);
}
<span class="kw">let </span>errors: Vec<<span class="kw-2">&</span>str> =
<span class="macro">vec!</span>[<span class="string">"\"not a month\""</span>, <span class="string">"\"ja\""</span>, <span class="string">"\"Dece\""</span>, <span class="string">"Dec"</span>, <span class="string">"\"Augustin\""</span>];
<span class="kw">for </span>string <span class="kw">in </span>errors {
from_str::<Month>(string).unwrap_err();
}
}
}
</code></pre></div>
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