32 lines
719 B
C#
32 lines
719 B
C#
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using System.Windows.Forms;
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using System.Collections.Generic;
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using System.Linq;
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namespace OpenRa.Game
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{
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static class Exts
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{
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public static string F(this string fmt, params object[] args)
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{
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return string.Format(fmt, args);
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}
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public static bool HasModifier(this Modifiers k, Modifiers mod)
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{
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return (k & mod) == mod;
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}
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public static IEnumerable<T> SymmetricDifference<T>(this IEnumerable<T> xs, IEnumerable<T> ys)
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{
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// this is probably a shockingly-slow way to do this, but it's concise.
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return xs.Except(ys).Concat(ys.Except(xs));
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}
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public static float Product(this IEnumerable<float> xs)
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{
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return xs.Aggregate(1f, (a, x) => a * x);
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}
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}
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}
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