Improve error messages for typerefs a bit
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c0e375d84c
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@ -311,3 +311,13 @@ fn write_access(f: &mut std::fmt::Formatter<'_>, name: &String) -> std::fmt::Res
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f.write_char('.')?;
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Display::fmt(name, f)
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}
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impl std::fmt::Display for VagueType {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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VagueType::Unknown => write!(f, "Unknown"),
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VagueType::Number => write!(f, "Number"),
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VagueType::TypeRef(_) => write!(f, "{{unknown}}"),
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}
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}
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}
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@ -113,17 +113,14 @@ pub enum TypeKind {
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Borrow(Box<TypeKind>),
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#[error("Ptr({0})")]
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Ptr(Box<TypeKind>),
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#[error(transparent)]
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Vague(#[from] VagueType),
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#[error("{0}")]
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Vague(VagueType),
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, thiserror::Error, PartialOrd, Ord, Hash)]
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#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
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pub enum VagueType {
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#[error("Unknown")]
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Unknown,
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#[error("Number")]
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Number,
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#[error("TypeRef({0})")]
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TypeRef(usize),
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}
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