testReadFrom{fileOps{
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),
						strings.Repeat("\x00", blockSize-100) + strings.Repeat("0123456789", 10),
						int64(1e10 - blockSize),

	}, {
		input: makeInput(FormatGNU, "",
			makeSparseStrings(sparseDatas{{0, 1}, {2, 1}, {4, 1}, {6, 1}, {8, 1}, {10, 1}})...)[:blockSize],
		wantErr: io.ErrUnexpectedEOF,
	}, {
		input: makeInput(FormatGNU, "",
			makeSparseStrings(sparseDatas{{0, 1}, {2, 1}, {4, 1}, {6, 1}, {8, 1}, {10, 1}})...)[:3*blockSize/2],
		wantErr: io.ErrUnexpectedEOF,
	}, {
		input: makeInput(FormatGNU, "",

dst = dst[8*BlockSize:] ivlo, ivhi = add128(ivlo, ivhi, 8) } // The tail can have at most 7 = 4 + 2 + 1 blocks. if len(src) >= 4*BlockSize { ctrBlocks4(&c.b, (*[4 * BlockSize]byte)(dst), (*[4 * BlockSize]byte)(src), ivlo, ivhi) src = src[4*BlockSize:] dst = dst[4*BlockSize:] ivlo, ivhi = add128(ivlo, ivhi, 4) } if len(src) >= 2*BlockSize { ctrBlocks2(&c.b, (*[2 * BlockSize]byte)(dst), (*[2 * BlockSize]byte)(src), ivlo, ivhi) src = src[2*BlockSize:] dst = dst[2*BlockSize:] ivlo, ivhi = add128(ivlo,...

	polar Point                   // polar and Point denote different types
)

type TreeNode struct {
	left, right *TreeNode
	value any
}

type Block interface {
	BlockSize() int
	Encrypt(src, dst []byte)
	Decrypt(src, dst []byte)
}
</pre>

<p>
A defined type may have <a href="#Method_declarations">methods</a> associated with it.