lib.rs
24 lines
| 735 B
| application/rls-services+xml
|
RustLexer
Georges Racinet
|
r40307 | // Copyright 2018 Georges Racinet <gracinet@anybox.fr> | ||
| // | ||||
| // This software may be used and distributed according to the terms of the | ||||
| // GNU General Public License version 2 or any later version. | ||||
| mod ancestors; | ||||
| pub use ancestors::AncestorsIterator; | ||||
| /// Mercurial revision numbers | ||||
| /// | ||||
| /// As noted in revlog.c, revision numbers are actually encoded in | ||||
| /// 4 bytes, and are liberally converted to ints, whence the i32 | ||||
| pub type Revision = i32; | ||||
| pub const NULL_REVISION: Revision = -1; | ||||
| /// The simplest expression of what we need of Mercurial DAGs. | ||||
| pub trait Graph { | ||||
| fn parents(&self, Revision) -> Result<(Revision, Revision), GraphError>; | ||||
| } | ||||
| #[derive(Clone, Debug, PartialEq)] | ||||
| pub enum GraphError { | ||||
| ParentOutOfRange(Revision), | ||||
| } | ||||