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

hg-core: make parse_dirstate return references rather than update hashmaps...

hg-core: make parse_dirstate return references rather than update hashmaps Returing a vec is faster than updating a hashmap when the hashmap is not needed like in `hg files` which just list tracked files. Returning references avoid copying data when not needed improving performence for large repositories. Differential Revision: https://phab.mercurial-scm.org/D8861

Raphaël Gomès - - Load All Authors

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             mod.rs
        
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                | application/rls-services+xml
            
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             / rust / hg-core / src / operations / mod.rs
          
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      mod dirstate_status;

      mod find_root;

      pub use find_root::{FindRoot, FindRootError, FindRootErrorKind};

      /// An interface for high-level hg operations.

      ///

      /// A distinction is made between operation 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.

      pub trait Operation<T> {

          type Error;

          fn run(&self) -> Result<T, Self::Error>;

      }

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				mod dirstate_status;
				mod find_root;
				pub use find_root::{FindRoot, FindRootError, FindRootErrorKind};

				/// An interface for high-level hg operations.
				///
				/// A distinction is made between operation 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.
				pub trait Operation<T> {
				type Error;
				fn run(&self) -> Result<T, Self::Error>;
				}