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pkg/vector/alg/json_importer.go
52 строки
853 B
Michael Mayer
Go: Apply go fix modernizations across backend packages
20 фев 2026, 05:54
20 фев 2026, 05:54
a2b7615
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package alg import ( "encoding/json" "os" ) type jsonImporter struct{} // JsonImporter returns an Importer that reads vectors from JSON files. func JsonImporter() Importer { return &jsonImporter{} } func (i *jsonImporter) Import(file string, start, end int) ([][]float64, error) { if start < 0 || end < 0 || start > end { return [][]float64{}, errInvalidRange } f, err := os.ReadFile(file) //nolint:gosec // caller controls path if err != nil { return [][]float64{}, err } var ( d = make([][]float64, 0) s = end - start + 1 g = make([]float64, 0, s) c int ) err = json.Unmarshal(f, &d) if err != nil { return [][]float64{}, err } for i := range d { c = 0 for j := start; j <= end; j++ { g[c] = d[i][j] c++ } d[i] = make([]float64, 0, s) for j := range s { d[i][j] = g[j] } } return d, nil }