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Merge pull request #1466 from disarray2077/patch-1

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Improve `TimeSpan`
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Brian Fiete 2022-02-24 16:13:39 -08:00 • committed by GitHub
commit 0c4342cbba
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1 changed files with 39 additions and 7 deletions
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46
BeefLibs/corlib/src/TimeSpan.bf
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@ -1,3 +1,4 @@
using System.Diagnostics;
using System.Globalization; using System.Globalization;
namespace System namespace System
@ -51,15 +52,10 @@ namespace System
this = TimeToTicks(hours, minutes, seconds).Get(); this = TimeToTicks(hours, minutes, seconds).Get();
} }
/*public this(int hours, int minutes, int seconds) { public this(int32 days, int32 hours, int32 minutes, int32 seconds)
_ticks = TimeToTicks(hours, minutes, seconds);
}*/
//TODO: This fails too
/*public this(int days, int hours, int minutes, int seconds)
: this(days,hours,minutes,seconds,0) : this(days,hours,minutes,seconds,0)
{ {
}*/ }
public this(int32 days, int32 hours, int32 minutes, int32 seconds, int32 milliseconds) public this(int32 days, int32 hours, int32 minutes, int32 seconds, int32 milliseconds)
{ {
@ -143,6 +139,42 @@ namespace System
return totalSeconds * TicksPerSecond; return totalSeconds * TicksPerSecond;
} }
private static Result<TimeSpan> Interval(double value, int32 scale)
{
if (value.IsNaN)
return .Err;
double tmp = value * scale;
double millis = tmp + (value >= 0 ? 0.5 : -0.5);
if ((millis > Int64.MaxValue / TicksPerMillisecond) || (millis < Int64.MinValue / TicksPerMillisecond))
return .Err;
return TimeSpan((int64)millis * TicksPerMillisecond);
}
public static Result<TimeSpan> FromDays(double value)
{
return Interval(value, MillisPerDay);
}
public static Result<TimeSpan> FromHours(double value)
{
return Interval(value, MillisPerHour);
}
public static Result<TimeSpan> FromMilliseconds(double value)
{
return Interval(value, 1);
}
public static Result<TimeSpan> FromMinutes(double value)
{
return Interval(value, MillisPerMinute);
}
public static Result<TimeSpan> FromSeconds(double value)
{
return Interval(value, MillisPerSecond);
}
public Result<TimeSpan> Negate() public Result<TimeSpan> Negate()
{ {
if (Ticks==TimeSpan.MinValue.Ticks) if (Ticks==TimeSpan.MinValue.Ticks)