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refactor(tvix/eval): impl Display for ErrorKind

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This just shuffles the Display implementations around so that
ErrorKind itself is displayable, which is useful in some situations
where errors under construction need to be type-converted.

Change-Id: I7b633d03d0dc34f345c4f20676e0023ecb1db0c4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7802
Autosubmit: tazjin <tazjin@tvl.su>
Reviewed-by: edef <edef@edef.eu>
Tested-by: BuildkiteCI
This commit is contained in:
Vincent Ambo 2023-01-10 02:06:57 +03:00 committed by tazjin
parent 0b9e1aca63
commit c011a6130c
1 changed files with 8 additions and 2 deletions
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10
tvix/eval/src/errors.rs
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@ -223,9 +223,9 @@ pub struct Error {
pub span: Span,
}
impl Display for Error {
impl Display for ErrorKind {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match &self.kind {
match &self {
ErrorKind::Throw(msg) => write!(f, "error thrown: {}", msg),
ErrorKind::Abort(msg) => write!(f, "evaluation aborted: {}", msg),
ErrorKind::AssertionFailed => write!(f, "assertion failed"),
@ -409,6 +409,12 @@ to a missing value in the attribute set(s) included via `with`."#,
}
}
impl Display for Error {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.kind)
}
}
pub type EvalResult<T> = Result<T, Error>;
/// Human-readable names for rnix syntaxes.