interface Deno.Seeker
An abstract interface which when implemented provides an interface to seek within an open file/resource asynchronously.
Methods
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seek(offset: number | bigint, whence: SeekMode): Promise<number>
Seek sets the offset for the next read() or write() to offset,
interpreted according to whence: Start means relative to the
start of the file, Current means relative to the current offset,
and End means relative to the end. Seek resolves to the new offset
relative to the start of the file.
Seeking to an offset before the start of the file is an error. Seeking to any positive offset is legal, but the behavior of subsequent I/O operations on the underlying object is implementation-dependent.
It resolves with the updated offset.