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OptionParse
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‎src/Danom/Option/OptionParse.cs

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namespace Danom;
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using System.Globalization;
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/// <summary>
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/// boolOption
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/// </summary>
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public static class boolOption
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{
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/// <summary>
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/// Attempt to parse string as bool, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <returns></returns>
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public static Option<bool> TryParse(string? x) =>
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bool.TryParse(x, out var y) ? Option.Some(y) : Option<bool>.NoneValue;
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}
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/// <summary>
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/// byteOption
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/// </summary>
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public static class byteOption
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{
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/// <summary>
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/// Attempt to parse string as byte, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<byte> TryParse(string? x, IFormatProvider? provider = null) =>
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byte.TryParse(x, provider, out var y) ? Option.Some(y) : Option<byte>.NoneValue;
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}
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/// <summary>
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/// shortOption
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/// </summary>
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public static class shortOption
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{
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/// <summary>
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/// Attempt to parse string as short, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<short> TryParse(string? x, IFormatProvider? provider = null) =>
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short.TryParse(x, provider, out var y) ? Option.Some(y) : Option<short>.NoneValue;
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}
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/// <summary>
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/// intOption
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/// </summary>
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public static class intOption
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{
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/// <summary>
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/// Attempt to parse string as int, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<int> TryParse(string? x, IFormatProvider? provider = null) =>
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int.TryParse(x, provider, out var y) ? Option.Some(y) : Option<int>.NoneValue;
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}
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/// <summary>
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/// longOption
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/// </summary>
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public static class longOption
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{
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/// <summary>
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/// Attempt to parse string as long, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<long> TryParse(string? x, IFormatProvider? provider = null) =>
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long.TryParse(x, provider, out var y) ? Option.Some(y) : Option<long>.NoneValue;
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}
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/// <summary>
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/// decimalOption
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/// </summary>
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public static class decimalOption
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{
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/// <summary>
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/// Attempt to parse string as decimal, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<decimal> TryParse(string? x, IFormatProvider? provider = null) =>
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decimal.TryParse(x, provider, out var y) ? Option.Some(y) : Option<decimal>.NoneValue;
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}
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/// <summary>
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/// doubleOption
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/// </summary>
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public static class doubleOption
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{
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/// <summary>
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/// Attempt to parse string as double, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<double> TryParse(string? x, IFormatProvider? provider = null) =>
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double.TryParse(x, provider, out var y) ? Option.Some(y) : Option<double>.NoneValue;
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}
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/// <summary>
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/// floatOption
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/// </summary>
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public static class floatOption
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{
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/// <summary>
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/// Attempt to parse string as float, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<float> TryParse(string? x, IFormatProvider? provider = null) =>
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float.TryParse(x, provider, out var y) ? Option.Some(y) : Option<float>.NoneValue;
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}
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/// <summary>
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/// GuidOption
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/// </summary>
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public static class GuidOption
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{
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/// <summary>
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/// Attempt to parse string as Guid, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<Guid> TryParse(string? x, IFormatProvider? provider = null) =>
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Guid.TryParse(x, provider, out var y) ? Option.Some(y) : Option<Guid>.NoneValue;
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/// <summary>
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/// Attempt to parse string as Guid, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="format"></param>
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/// <returns></returns>
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public static Option<Guid> TryParseExact(string? x, string? format) =>
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Guid.TryParseExact(x, format, out var y) ? Option.Some(y) : Option<Guid>.NoneValue;
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}
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/// <summary>
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/// DateTimeOffsetOption
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/// </summary>
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public static class DateTimeOffsetOption
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{
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/// <summary>
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/// Attempt to parse string as DateTimeOffset, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<DateTimeOffset> TryParse(string? x, IFormatProvider? provider = null) =>
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DateTimeOffset.TryParse(x, provider, out var y) ? Option.Some(y) : Option<DateTimeOffset>.NoneValue;
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/// <summary>
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/// Attempt to parse string as DateTimeOffset, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="format"></param>
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/// <param name="provider"></param>
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/// <param name="dateTimeStyles"></param>
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/// <returns></returns>
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public static Option<DateTimeOffset> TryParseExact(string? x, string? format, IFormatProvider? provider = null, DateTimeStyles dateTimeStyles = DateTimeStyles.None) =>
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DateTimeOffset.TryParseExact(x, format, provider, dateTimeStyles, out var y) ? Option.Some(y) : Option<DateTimeOffset>.NoneValue;
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}
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/// <summary>
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/// DateTimeOption
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/// </summary>
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public static class DateTimeOption
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{
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/// <summary>
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/// Attempt to parse string as DateTime, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<DateTime> TryParse(string? x, IFormatProvider? provider = null) =>
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DateTime.TryParse(x, provider, out var y) ? Option.Some(y) : Option<DateTime>.NoneValue;
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/// <summary>
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/// Attempt to parse string as DateTime, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="format"></param>
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/// <param name="provider"></param>
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/// <param name="dateTimeStyles"></param>
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/// <returns></returns>
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public static Option<DateTime> TryParseExact(string? x, string? format, IFormatProvider? provider = null, DateTimeStyles dateTimeStyles = DateTimeStyles.None) =>
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DateTime.TryParseExact(x, format, provider, dateTimeStyles, out var y) ? Option.Some(y) : Option<DateTime>.NoneValue;
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}
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/// <summary>
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/// DateOnlyOption
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/// </summary>
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public static class DateOnlyOption
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{
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/// <summary>
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/// Attempt to parse string as DateOnly, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<DateOnly> TryParse(string? x, IFormatProvider? provider = null) =>
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DateOnly.TryParse(x, provider, out var y) ? Option.Some(y) : Option<DateOnly>.NoneValue;
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/// <summary>
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/// Attempt to parse string as DateOnly, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="format"></param>
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/// <param name="provider"></param>
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/// <param name="dateTimeStyles"></param>
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/// <returns></returns>
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public static Option<DateOnly> TryParseExact(string? x, string? format, IFormatProvider? provider = null, DateTimeStyles dateTimeStyles = DateTimeStyles.None) =>
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DateOnly.TryParseExact(x, format, provider, dateTimeStyles, out var y) ? Option.Some(y) : Option<DateOnly>.NoneValue;
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}
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/// <summary>
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/// TimeOnlyOption
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/// </summary>
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public static class TimeOnlyOption
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{
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/// <summary>
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/// Attempt to parse string as TimeOnly, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<TimeOnly> TryParse(string? x, IFormatProvider? provider = null) =>
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TimeOnly.TryParse(x, provider, out var y) ? Option.Some(y) : Option<TimeOnly>.NoneValue;
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/// <summary>
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/// Attempt to parse string as TimeOnly, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="format"></param>
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/// <param name="provider"></param>
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/// <param name="dateTimeStyles"></param>
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/// <returns></returns>
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public static Option<TimeOnly> TryParseExact(string? x, string? format, IFormatProvider? provider = null, DateTimeStyles dateTimeStyles = DateTimeStyles.None) =>
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TimeOnly.TryParseExact(x, format, provider, dateTimeStyles, out var y) ? Option.Some(y) : Option<TimeOnly>.NoneValue;
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}
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/// <summary>
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/// TimeSpanOption
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/// </summary>
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public static class TimeSpanOption
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{
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/// <summary>
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/// Attempt to parse string as TimeSpan, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<TimeSpan> TryParse(string? x, IFormatProvider? provider = null) =>
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TimeSpan.TryParse(x, provider, out var y) ? Option.Some(y) : Option<TimeSpan>.NoneValue;
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/// <summary>
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/// Attempt to parse string as TimeSpan, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <param name="format"></param>
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/// <param name="provider"></param>
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/// <returns></returns>
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public static Option<TimeSpan> TryParseExact(string? x, string? format, IFormatProvider? provider = null) =>
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TimeSpan.TryParseExact(x, format, provider, out var y) ? Option.Some(y) : Option<TimeSpan>.NoneValue;
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}
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/// <summary>
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/// EnumOption
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/// </summary>
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public static class EnumOption
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{
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/// <summary>
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/// Attempt to parse string as Enum, return None if invalid, Some if valid.
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/// </summary>
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/// <param name="x"></param>
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/// <returns></returns>
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public static Option<TEnum> TryParse<TEnum>(string? x) where TEnum : struct =>
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Enum.TryParse<TEnum>(x, out var y) ? Option.Some(y) : Option<TEnum>.NoneValue;
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}

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