34 lines
771 B
Go
34 lines
771 B
Go
package remove
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import "strings"
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// ParseArgsResult captures parser output for sequential removals.
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type ParseArgsResult struct {
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Tokens []string
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Duplicates []string
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}
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// ParseArgs splits, trims, and deduplicates tokens while preserving order.
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func ParseArgs(args []string) (ParseArgsResult, error) {
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result := ParseArgsResult{Tokens: make([]string, 0, len(args))}
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seen := make(map[string]int)
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for _, raw := range args {
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if strings.TrimSpace(raw) == "" {
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continue
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}
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if _, exists := seen[raw]; exists {
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result.Duplicates = append(result.Duplicates, raw)
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continue
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}
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seen[raw] = len(result.Tokens)
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result.Tokens = append(result.Tokens, raw)
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}
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if len(result.Tokens) == 0 {
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return ParseArgsResult{}, ErrNoTokens
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}
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return result, nil
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}
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