class FileLinesIter
pub class FileLinesIter :: [Iterator, Closeable]
Conforms to Iterator, Closeable.
The lines of a file, from lines. After its end or an error it gives no more; after close()
a call throws Closed, as the file's would.
Methods
pub mut fn next(): ?string throws IoError
Returns the next line, or null at the end.
Errors
Throws IoError with the path: Closed after close(), InvalidData for bytes that are
not UTF-8, else the system's failure to read.
pub fn close(): void throws IoError
Closes the file before the end. A second close does nothing.
Errors
Throws IoError with the path when the system fails to close it.