分割字符串扩展与泛型类型? [英] Split string extension with generic type?
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问题描述
我想创建一个拆分扩展,允许我将任何字符串拆分为强类型列表。我有一个头开始,但是由于我要在许多项目中重用这个,我想从社区(所以你可以添加到自己的工具箱;)任何想法从这里?
I would like to create a Split extension that would allow me to split any string to a strongly-typed list. I have a head start, but since I was going to reuse this in many projects, I would like to get input from the community (and so you can add it to your own toolbox ;) Any ideas from here?
public static class Converters
{
public static IEnumerable<T> Split<T>(this string source, char delimiter)
{
var type = typeof(T);
//SPLIT TO INTEGER LIST
if (type == typeof(int))
{
return source.Split(delimiter).Select(n => int.Parse(n)) as IEnumerable<T>;
}
//SPLIT TO FLOAT LIST
if (type == typeof(float))
{
return source.Split(delimiter).Select(n => float.Parse(n)) as IEnumerable<T>;
}
//SPLIT TO DOUBLE LIST
if (type == typeof(double))
{
return source.Split(delimiter).Select(n => double.Parse(n)) as IEnumerable<T>;
}
//SPLIT TO DECIMAL LIST
if (type == typeof(decimal))
{
return source.Split(delimiter).Select(n => decimal.Parse(n)) as IEnumerable<T>;
}
//SPLIT TO DATE LIST
if (type == typeof(DateTime))
{
return source.Split(delimiter).Select(n => DateTime.Parse(n)) as IEnumerable<T>;
}
//USE DEFAULT SPLIT IF NO SPECIAL CASE DEFINED
return source.Split(delimiter) as IEnumerable<T>;
}
}
推荐答案
我同意李的建议,我个人认为不值得定义一个新的扩展方法,可以轻松实现标准LINQ操作:
Although I agree with Lee’s suggestion, I personally don’t think it’s worth defining a new extension method for something that may trivially be achieved with standard LINQ operations:
IEnumerable<int> ints = "1,2,3".Split(',').Select(int.Parse);
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