本文整理汇总了C#中Span.Set方法的典型用法代码示例。如果您正苦于以下问题：C# Span.Set方法的具体用法？C# Span.Set怎么用？C# Span.Set使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Span的用法示例。
在下文中一共展示了Span.Set方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SetArray
public void SetArray()
{
var destination = new Span<byte>(new byte[100]);
var source = new byte[] { 1, 2, 3 };
destination.Set(source);
for (int i = 0; i < source.Length; i++)
{
Assert.Equal(source[i], destination[i]);
}
}示例2: TryWriteDigitOrSymbol
public bool TryWriteDigitOrSymbol(ulong digitOrSymbolIndex, Span<byte> buffer, out int bytesWritten)
{
byte[] bytes = _digitsAndSymbols[digitOrSymbolIndex];
bytesWritten = bytes.Length;
if (bytesWritten > buffer.Length)
{
bytesWritten = 0;
return false;
}
if (bytesWritten == 2)
{
buffer[0] = bytes[0];
buffer[1] = bytes[1];
return true;
}
if (bytesWritten == 1)
{
buffer[0] = bytes[0];
return true;
}
buffer.Set(bytes);
return true;
}示例3: TryFormat
public static bool TryFormat(this Utf8String value, Span<byte> buffer, Format.Parsed format, EncodingData formattingData, out int bytesWritten)
{
if (formattingData.IsUtf16) {
bytesWritten = 0;
int justWritten;
foreach(var cp in value.CodePoints) {
if(!Utf16.Utf16LittleEndianEncoder.TryEncodeCodePoint(cp, buffer.Slice(bytesWritten), out justWritten)) {
bytesWritten = 0;
return false;
}
bytesWritten += justWritten ;
}
return true;
}
if(buffer.Length < value.Length) {
bytesWritten = 0;
return false;
}
buffer.Set(value.Bytes);
bytesWritten = value.Length;
return true;
}示例4: ReadOnlySpanOfByteCopyToAnotherSpanOfByteTwoDifferentBuffersValidCasesNative
public unsafe void ReadOnlySpanOfByteCopyToAnotherSpanOfByteTwoDifferentBuffersValidCasesNative(byte[] expected, byte[] a, int aidx, int acount, byte[] b, int bidx, int bcount)
{
IntPtr pa = Marshal.AllocHGlobal(a.Length);
Span<byte> na = new Span<byte>(pa.ToPointer(), a.Length);
na.Set(a);
IntPtr pb = Marshal.AllocHGlobal(b.Length);
Span<byte> nb = new Span<byte>(pb.ToPointer(), b.Length);
nb.Set(b);
ReadOnlySpan<byte> spanA = na.Slice(aidx, acount);
Span<byte> spanB = nb.Slice(bidx, bcount);
if (expected != null) {
spanA.CopyTo(spanB);
Assert.Equal(expected, b);
ReadOnlySpan<byte> spanExpected = new ReadOnlySpan<byte>(expected);
ReadOnlySpan<byte> spanBAll = new ReadOnlySpan<byte>(b);
Assert.True(spanExpected.SequenceEqual(spanBAll));
}
else {
Assert.ThrowsAny<Exception>(() => { spanA.CopyTo(spanB); });
}
Marshal.FreeHGlobal(pa);
Marshal.FreeHGlobal(pb);
}示例5: TryFormat
public static bool TryFormat(this Utf8String value, Span<byte> buffer, Format.Parsed format, FormattingData formattingData, out int bytesWritten)
{
if (formattingData.IsUtf16) {
throw new NotImplementedException();
}
if(buffer.Length < value.Length) {
bytesWritten = 0;
return false;
}
buffer.Set(value.Bytes);
bytesWritten = value.Length;
return true;
}示例6: TryFormat
public static bool TryFormat(this string value, Span<byte> buffer, Format.Parsed format, FormattingData formattingData, out int bytesWritten)
{
if (formattingData.IsUtf16)
{
var valueBytes = value.Length << 1;
if (valueBytes > buffer.Length)
{
bytesWritten = 0;
return false;
}
unsafe
{
fixed (char* pCharacters = value)
{
byte* pBytes = (byte*)pCharacters;
buffer.Set(pBytes, valueBytes);
}
}
bytesWritten = valueBytes;
return true;
}
GCHandle handle;
var byteSpan = buffer.Pin(out handle);
try {
var avaliableBytes = byteSpan.Length;
bytesWritten = 0;
for (int i = 0; i < value.Length; i++)
{
var c = value[i];
var codepoint = (ushort)c;
if (codepoint <= 0x7f) // this if block just optimizes for ascii
{
if (bytesWritten + 1 > avaliableBytes)
{
bytesWritten = 0;
return false;
}
byteSpan[bytesWritten++] = (byte)codepoint;
}
else
{
var encoded = new FourBytes();
var bytes = Utf8Encoder.CharToUtf8(c, ref encoded);
if (bytesWritten + bytes > avaliableBytes)
{
bytesWritten = 0;
return false;
}
byteSpan[bytesWritten] = encoded.B0;
if (bytes > 1)
{
byteSpan[bytesWritten + 1] = encoded.B1;
if (bytes > 2)
{
byteSpan[bytesWritten + 2] = encoded.B2;
if (bytes > 3)
{
byteSpan[bytesWritten + 3] = encoded.B3;
}
}
}
bytesWritten += bytes;
}
}
return true;
}
finally
{
handle.Free();
}
}