1//! The following is derived from Rust's
2//! library/std/src/io/mod.rs at revision
3//! dca3f1b786efd27be3b325ed1e01e247aa589c3b.
4
5/// Enumeration of possible methods to seek within an I/O object.
6///
7/// It is used by the [`Seek`] trait.
8#[derive(Copy, PartialEq, Eq, Clone, Debug)]
9#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
10pub enum SeekFrom {
11    /// Sets the offset to the provided number of bytes.
12    #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
13    Start(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] u64),
14
15    /// Sets the offset to the size of this object plus the specified number of
16    /// bytes.
17    ///
18    /// It is possible to seek beyond the end of an object, but it's an error
19    /// to seek before byte 0.
20    #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
21    End(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] i64),
22
23    /// Sets the offset to the current position plus the specified number of
24    /// bytes.
25    ///
26    /// It is possible to seek beyond the end of an object, but it's an error
27    /// to seek before byte 0.
28    #[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))]
29    Current(#[cfg_attr(staged_api, stable(feature = "rust1", since = "1.0.0"))] i64),
30}
31