markSupported method

bool markSupported()

Tells whether this stream supports the mark() operation.

Returns

true if and only if this stream supports the mark operation.

Example

final reader = BufferedReader(FileReader('data.txt'));
if (reader.markSupported()) {
  reader.mark(1024); // Mark current position
  
  // Read some data
  final preview = await reader.readLine();
  
  // Reset to marked position
  await reader.reset();
  
  // Read again from the marked position
  final actualData = await reader.readAll();
}

Implementation

bool markSupported() => false;