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

rust-status: refactor status into a struct...

rust-status: refactor status into a struct The code for `dirstate/status` has grown too large for comfort, this is the first of three patches that try to improve maintainability. In this patch, refactoring dirstate's status into a struct allows for slimming down function signatures drastically, keeping the mental (and maintenance) burden lower, since pretty much all of them shared a few common arguments. This had the pleasant side-effect of simplifying lifetimes a little. This has no observable impact on performance. The next patch will add/improve documentation and refactor some types. I tried to keep new code down to a minimum in this patch because it's already pretty big. Differential Revision: https://phab.mercurial-scm.org/D8661

Antoine Cezar - - Load All Authors

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             mod.rs
        
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                | application/rls-services+xml
            
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      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 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>;
				}