ReadPositionalError

pub const ReadPositionalError = error{
    InputOutput,
    SystemResources,
    /// Trying to read a directory file descriptor as if it were a file.
    IsDir,
    /// Non-blocking has been enabled, and reading from the file descriptor
    /// would block.
    WouldBlock,
    /// In WASI, this error occurs when the file descriptor does
    /// not hold the required rights to read from it.
    AccessDenied,
    /// Unable to read file due to lock. Depending on the `Io` implementation,
    /// reading from a locked file may return this error, or may ignore the
    /// lock.
    LockViolation,
    /// This file cannot be read positionally.
    Unseekable,
    /// File was not opened with read capability.
    NotOpenForReading,
} || Io.Cancelable || Io.UnexpectedError