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| author | William Carroll <wpcarro@gmail.com> | 2022-09-05T18·42-0700 |
|---|---|---|
| committer | clbot <clbot@tvl.fyi> | 2022-09-19T00·57+0000 |
| commit | fefa8c55c45d82fc1d81e02a96e126812e1e1223 (patch) | |
| tree | f04180e2cc57ac61ba7aa2a663973789f0a64efa /tvix/eval/src/errors.rs | |
| parent | 2fe18e44860ad97a88d488590c40cf610a274c1d (diff) | |
feat(tvix/eval): Support builtins.tail r/4917
TL;DR: - support `builtins.tail` - define `ErrorKind::TailEmptyList` and canonical error code - support basic unit tests Unsure whether or not the error should be a dedicated `ErrorKind`... Change-Id: Iae90fda1bb21ce7bdb1aaa2aeb2b8c1e6dcb0f05 Reviewed-on: https://cl.tvl.fyi/c/depot/+/6545 Reviewed-by: wpcarro <wpcarro@gmail.com> Autosubmit: wpcarro <wpcarro@gmail.com> Reviewed-by: tazjin <tazjin@tvl.su> Tested-by: BuildkiteCI
Diffstat (limited to 'tvix/eval/src/errors.rs')
| -rw-r--r-- | tvix/eval/src/errors.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tvix/eval/src/errors.rs b/tvix/eval/src/errors.rs index 6331ee64be..10bc9276ad 100644 --- a/tvix/eval/src/errors.rs +++ b/tvix/eval/src/errors.rs @@ -31,6 +31,9 @@ pub enum ErrorKind { index: i64, }, + /// Attempted to call `builtins.tail` on an empty list. + TailEmptyList, + TypeError { expected: &'static str, actual: &'static str, @@ -150,6 +153,8 @@ impl Error { format!("list index '{}' is out of bounds", index) } + ErrorKind::TailEmptyList => format!("'tail' called on an empty list"), + ErrorKind::TypeError { expected, actual } => format!( "expected value of type '{}', but found a '{}'", expected, actual @@ -257,6 +262,7 @@ to a missing value in the attribute set(s) included via `with`."#, ErrorKind::NotAnAbsolutePath(_) => "E020", ErrorKind::ParseIntError(_) => "E021", ErrorKind::NegativeLength { .. } => "E022", + ErrorKind::TailEmptyList { .. } => "E023", ErrorKind::NotImplemented(_) => "E999", } } |