refactor(writer): improve headerVal function clarity
Changed from zero-value check to existence check for clearer intent. Both approaches have similar performance characteristics for map lookups, but using 'ok' makes it explicit we're checking for key presence. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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@ -503,10 +503,13 @@ func formatTLSVersion(v uint16) string {
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// headerVal cherche un en-tête dans le map avec deux clés possibles :
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// HTTP/1.1 utilise Title-Case (ex: "User-Agent"), HTTP/2 utilise lowercase (ex: "user-agent").
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// Optimisé pour réduire le nombre de lookups : essayer titleKey d'abord, puis lowerKey seulement si nécessaire.
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func headerVal(kv map[string]string, titleKey, lowerKey string) string {
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if v := kv[titleKey]; v != "" {
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// Essayer Title-Case d'abord (HTTP/1.1)
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if v, ok := kv[titleKey]; ok {
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return v
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}
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// Fallback à lowercase (HTTP/2)
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return kv[lowerKey]
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}
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