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span_identifier_jaccard

codehelion_core::structural

Function span_identifier_jaccard 

Source 
pub fn span_identifier_jaccard(
    files: &[SyntaxIrFile],
    canonical: SourceTokenSpan,
    corresponding: impl IntoIterator<Item = SourceTokenSpan>,
) -> f64
Expand description

The weakest raw identifier-set agreement between a canonical span and its corresponding spans.

This is reporting and triage evidence only. In particular, a duplicated run may have exact normalized content while this value is low because its names differ; the value is a proxy for whether a shared refactoring target may exist, not a similarity measurement and never an input to detection or grouping.