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package cors
import (
"net/http"
"strings"
)
type converter func(string) string
// convert converts a list of string using the passed converter function
func convert(s []string, c converter) []string {
out := []string{}
for _, i := range s {
out = append(out, c(i))
}
return out
}
func parseHeaderList(headerList string) (headers []string) {
for _, header := range strings.Split(headerList, ",") {
header = http.CanonicalHeaderKey(strings.TrimSpace(header))
if header != "" {
headers = append(headers, header)
}
}
return headers
}
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