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

dirstate-tree: Add tree traversal/iteration...

dirstate-tree: Add tree traversal/iteration Like Python’s, Rust’s iterators are "external" in that they are driven by a caller who calls a `next` method. This is as opposed to "internal" iterators who drive themselves and call a callback for each item. Writing an internal iterator traversing a tree is easy with recursion, but internal iterators cannot rely on the call stack in that way, they must save in an explicit object all state that they need to be preserved across two `next` calls. This algorithm uses a `Vec` as a stack that contains what would be local variables on the call stack if we could use recursion. Differential Revision: https://phab.mercurial-scm.org/D10370

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             mod.rs
        
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      //! A distinction is made between operations and commands.

      //! An operation is what can be done whereas a command is what is exposed by

      //! the cli. A single command can use several operations to achieve its goal.

      mod cat;

      mod debugdata;

      mod dirstate_status;

      mod list_tracked_files;

      pub use cat::{cat, CatOutput};

      pub use debugdata::{debug_data, DebugDataKind};

      pub use list_tracked_files::Dirstate;

      pub use list_tracked_files::{list_rev_tracked_files, FilesForRev};

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				//! A distinction is made between operations and commands.
				//! An operation is what can be done whereas a command is what is exposed by
				//! the cli. A single command can use several operations to achieve its goal.

				mod cat;
				mod debugdata;
				mod dirstate_status;
				mod list_tracked_files;
				pub use cat::{cat, CatOutput};
				pub use debugdata::{debug_data, DebugDataKind};
				pub use list_tracked_files::Dirstate;
				pub use list_tracked_files::{list_rev_tracked_files, FilesForRev};