netdoc: Improved error type for Section::GetRequired.
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@ -11,7 +11,7 @@
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use crate::rules::*;
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use crate::tokenize::*;
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use crate::{Error, Position, Result};
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use crate::{Error, Result};
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/// Describe the rules for one section of a document.
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///
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@ -103,8 +103,11 @@ impl<'a, T: Keyword> Section<'a, T> {
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}
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/// Return a single Item for some Keyword, giving an error if there
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/// is not exactly one.
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///
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/// It is usually a mistake to use this function on a Keyword that is
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/// not required.
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pub fn get_required(&self, t: T) -> Result<&Item<'a>> {
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self.get(t).ok_or(Error::Internal(Position::Unknown)) // XXXX
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self.get(t).ok_or_else(|| Error::MissingToken(t.to_str()))
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}
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/// Return a proxy MaybeItem object for some keyword.
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//
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