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Allow empty span slice for now (#529)

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JT 2021-12-20 06:25:02 +11:00 committed by GitHub
parent c37bdcd119
commit cf5048205f
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1 changed files with 3 additions and 1 deletions
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4
crates/nu-protocol/src/span.rs
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@ -48,11 +48,13 @@ impl Span {
} }
} }
/// Used when you have a slice of spans of at least size 1
pub fn span(spans: &[Span]) -> Span { pub fn span(spans: &[Span]) -> Span {
let length = spans.len(); let length = spans.len();
if length == 0 { if length == 0 {
panic!("Internal error: tried to create a 0-length span") // TODO: do this for now, but we might also want to protect against this case
Span { start: 0, end: 0 }
} else if length == 1 { } else if length == 1 {
spans[0] spans[0]
} else { } else {