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This commit is contained in:
Chris Cameron 2018-04-05 11:49:46 -04:00
parent a8d2c7e1bf
commit 9d034872cb
1 changed files with 11 additions and 8 deletions
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19
ICD.Common.Utils/Extensions/EnumerableExtensions.cs
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@ -1062,12 +1062,14 @@ namespace ICD.Common.Utils.Extensions
{
public readonly T value;
public readonly bool isParsed;
public TryParseStruct(T value, bool isParsed)
{
this.value = value;
this.isParsed = isParsed;
}
}
// since Func<...,T> can't specify `out` parameters
public delegate bool TryParseDelegate<T>(string input, out T output);
@ -1079,7 +1081,8 @@ namespace ICD.Common.Utils.Extensions
/// <param name="extends">enumerable of strings to parse</param>
/// <param name="tryParseFunc">TryParse function for given type</param>
/// <returns>enumerable of successfully parsed values</returns>
public static IEnumerable<T> TryParseSkipFailures<T>(this IEnumerable<string> extends, TryParseDelegate<T> tryParseFunc)
public static IEnumerable<T> TryParseSkipFailures<T>(this IEnumerable<string> extends,
TryParseDelegate<T> tryParseFunc)
{
if (extends == null)
throw new ArgumentNullException("extends");
@ -1088,13 +1091,13 @@ namespace ICD.Common.Utils.Extensions
throw new ArgumentNullException("tryParseFunc");
return extends.Select(str =>
{
T value = default(T);
bool isParsed = tryParseFunc(str, out value);
return new TryParseStruct<T>(value, isParsed);
})
.Where(v => v.isParsed == true)
.Select(v => v.value);
{
T value;
bool isParsed = tryParseFunc(str, out value);
return new TryParseStruct<T>(value, isParsed);
})
.Where(v => v.isParsed)
.Select(v => v.value);
}
#if SIMPLSHARP