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Move code of Error functions to non-generic functions

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This commit is contained in:
David Tolnay 2022-10-24 21:52:01 -07:00
parent 4510c1b1ef
commit f4c1822b93
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1 changed files with 33 additions and 21 deletions
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54
src/error.rs
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@ -134,12 +134,16 @@ impl Error {
/// }
/// ```
pub fn new<T: Display>(span: Span, message: T) -> Self {
Error {
messages: vec![ErrorMessage {
start_span: ThreadBound::new(span),
end_span: ThreadBound::new(span),
message: message.to_string(),
}],
return new(span, message.to_string());
fn new(span: Span, message: String) -> Error {
Error {
messages: vec![ErrorMessage {
start_span: ThreadBound::new(span),
end_span: ThreadBound::new(span),
message,
}],
}
}
}
@ -158,15 +162,19 @@ impl Error {
/// `ParseStream::error`)!
#[cfg(feature = "printing")]
pub fn new_spanned<T: ToTokens, U: Display>(tokens: T, message: U) -> Self {
let mut iter = tokens.into_token_stream().into_iter();
let start = iter.next().map_or_else(Span::call_site, |t| t.span());
let end = iter.last().map_or(start, |t| t.span());
Error {
messages: vec![ErrorMessage {
start_span: ThreadBound::new(start),
end_span: ThreadBound::new(end),
message: message.to_string(),
}],
return new_spanned(tokens.into_token_stream(), message.to_string());
fn new_spanned(tokens: TokenStream, message: String) -> Error {
let mut iter = tokens.into_iter();
let start = iter.next().map_or_else(Span::call_site, |t| t.span());
let end = iter.last().map_or(start, |t| t.span());
Error {
messages: vec![ErrorMessage {
start_span: ThreadBound::new(start),
end_span: ThreadBound::new(end),
message,
}],
}
}
}
@ -288,12 +296,16 @@ pub fn new_at<T: Display>(scope: Span, cursor: Cursor, message: T) -> Error {
#[cfg(all(feature = "parsing", any(feature = "full", feature = "derive")))]
pub fn new2<T: Display>(start: Span, end: Span, message: T) -> Error {
Error {
messages: vec![ErrorMessage {
start_span: ThreadBound::new(start),
end_span: ThreadBound::new(end),
message: message.to_string(),
}],
return new2(start, end, message.to_string());
fn new2(start: Span, end: Span, message: String) -> Error {
Error {
messages: vec![ErrorMessage {
start_span: ThreadBound::new(start),
end_span: ThreadBound::new(end),
message,
}],
}
}
}