Debug on taxonomy extraction and CSV conversion

pkg/obiiter/extract_taxonomy.go

@@ -2,17 +2,24 @@ package obiiter
 
 import "git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obitax"
 
+// ExtractTaxonomy iterates over each slice of the IBioSequence and extracts the taxonomy from it using the ExtractTaxonomy method of the slice.
+// If the seqAsTaxa parameter is true, then the sequence itself will be treated as a single taxon. Otherwise, each element in the slice will be treated separately.
+// The function returns an error if any of the ExtractTaxonomy calls fail and nil otherwise.
 func (iterator *IBioSequence) ExtractTaxonomy(seqAsTaxa bool) (taxonomy *obitax.Taxonomy, err error) {
-
+	// Iterate over each slice in the iterator
 	for iterator.Next() {
+		// Get the current slice
 		slice := iterator.Get().Slice()
 
+		// Try to extract taxonomy from the slice
 		taxonomy, err = slice.ExtractTaxonomy(taxonomy, seqAsTaxa)
 
+		// If an error occurred during extraction, return it immediately
 		if err != nil {
 			return
 		}
 	}
 
+	// Return the extracted taxonomy and no error if all slices were successfully processed
 	return
 }