upstream/mercurial-mirror Files · rust/hg-core/src/lib.rs

rust-cpython: moved generic conversion fn out of ancestors module...

rust-cpython: moved generic conversion fn out of ancestors module This will allow to use it easily from other submodules Differential Revision: https://phab.mercurial-scm.org/D5578

Georges Racinet - - Load All Authors

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             lib.rs
        
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                | application/rls-services+xml
            
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             / rust / hg-core / src / lib.rs
          
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        Georges Racinet
    
rust: pure Rust lazyancestors iterator...

              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;

        Georges Racinet
    
rust: core implementation for lazyancestors...

              r41084
            
      pub use ancestors::{AncestorsIterator, LazyAncestors, MissingAncestors};

        Georges Racinet
    
rust: pure Rust lazyancestors iterator...

              r40307
            
      /// 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 {

        Georges Racinet
    
rust: translation of missingancestors...

              r40995
            
          /// Return the two parents of the given `Revision`.

          ///

          /// Each of the parents can be independently `NULL_REVISION`

        Georges Racinet
    
rust: changed Graph.parents to return [Revision; 2]...

              r40969
            
          fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;

        Georges Racinet
    
rust: pure Rust lazyancestors iterator...

              r40307
            
      }

      #[derive(Clone, Debug, PartialEq)]

      pub enum GraphError {

          ParentOutOfRange(Revision),

      }

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Georges Racinet rust: pure Rust lazyancestors iterator...	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;
Georges Racinet rust: core implementation for lazyancestors...	r41084	pub use ancestors::{AncestorsIterator, LazyAncestors, MissingAncestors};
Georges Racinet rust: pure Rust lazyancestors iterator...	r40307
		/// 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 {
Georges Racinet rust: translation of missingancestors...	r40995	/// Return the two parents of the given `Revision`.
		///
		/// Each of the parents can be independently `NULL_REVISION`
Georges Racinet rust: changed Graph.parents to return [Revision; 2]...	r40969	fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;
Georges Racinet rust: pure Rust lazyancestors iterator...	r40307	}

		#[derive(Clone, Debug, PartialEq)]
		pub enum GraphError {
		ParentOutOfRange(Revision),
		}