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This commit is contained in:
Brian Fiete 2019-08-23 11:56:54 -07:00
parent c74712dad9
commit 078564ac9e
3242 changed files with 1616395 additions and 0 deletions
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126
IDE/mintest/minlib/src/System/Result.bf Normal file
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@ -0,0 +1,126 @@
namespace System
{
enum Result<T>
{
case Ok(T _val);
case Err(void _err);
T Unwrap()
{
switch (this)
{
case .Ok(var val): return val;
case .Err:
{
Internal.FatalError("Unhandled error in result", 2);
}
}
}
public static implicit operator Result<T>(T value)
{
return .Ok(value);
}
public static implicit operator T(Result<T> result)
{
return result.Unwrap();
}
public void IgnoreError()
{
}
public T Get()
{
return Unwrap();
}
public T Get(T defaultVal)
{
if (this case .Ok(var val))
return val;
return defaultVal;
}
public T GetValueOrDefault()
{
if (this case .Ok(var val))
return val;
return default(T);
}
public void ReturnValueDiscarded()
{
if (this case .Err)
Internal.FatalError("Unhandled error in result", 1);
}
}
enum Result<T, TErr>
{
case Ok(T val);
case Err(TErr err);
T Unwrap()
{
switch (this)
{
case .Ok(var val): return val;
case .Err(var err):
{
String errStr = scope String();
err.ToString(errStr);
String showErr = scope String();
showErr.ConcatInto("Unhandled error in result:\n ", errStr);
Internal.FatalError(showErr, 2);
}
}
}
public static implicit operator Result<T, TErr>(T value)
{
return .Ok(value);
}
public static implicit operator T(Result<T, TErr> result)
{
return result.Unwrap();
}
public void IgnoreError()
{
}
public T Get()
{
return Unwrap();
}
public T Get(T defaultVal)
{
if (this case .Ok(var val))
return val;
return defaultVal;
}
public T GetValueOrDefault()
{
if (this case .Ok(var val))
return val;
return default(T);
}
public void ReturnValueDiscarded()
{
if (this case .Err(var err))
{
String errStr = scope String();
err.ToString(errStr);
String showErr = scope String();
showErr.ConcatInto("Unhandled error in result:\n ", errStr);
Internal.FatalError(showErr, 1);
}
}
}
}