Merge pull request #159 from jpatte/master

shorten c# example code
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Martin Cech 2018-04-27 12:45:11 -04:00 committed by GitHub
commit a9a770a9b2
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@ -89,30 +89,14 @@ rl.on('close', () => {
**C#**
```C#
private static readonly Lazy<HashSet<string>> _emailBlackList =
new Lazy<HashSet<string>>(
() =>
{
var result = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
using (var reader = new StreamReader("disposable_email_blacklist.conf"))
{
string line;
while ((line = reader.ReadLine()) != null)
if (!string.IsNullOrWhiteSpace(line) && !line.TrimStart().StartsWith("//"))
result.Add(line);
}
return result;
});
private static readonly Lazy<HashSet<string>> _emailBlackList = new Lazy<HashSet<string>>(() =>
{
var lines = File.ReadLines("disposable_email_blacklist.conf")
.Where(line => !string.IsNullOrWhiteSpace(line) && !line.TrimStart().StartsWith("//"));
return new HashSet<string>(lines, StringComparer.OrdinalIgnoreCase);
});
private static bool IsBlacklisted(string domain)
{
var parts = domain.Split('.');
var len = parts.Length;
return
len == 1 && _emailBlackList.Value.Contains(domain)
|| _emailBlackList.Value.Contains($"{parts[len - 2]}.{parts[len - 1]}")
|| len > 2 && _emailBlackList.Value.Contains($"{parts[len - 3]}.{parts[len - 2]}.{parts[len - 1]}");
}
private static bool IsBlacklisted(string domain) => _emailBlackList.Value.Contains(domain);
...