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annotate rust/hg-core/src/operations/mod.rs @ 45000:5965efb609b6

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hg-core: add FindRoot operation to find repository root path Differential Revision: https://phab.mercurial-scm.org/D8609
author Antoine Cezar <antoine.cezar@octobus.net>
date Fri, 05 Jun 2020 08:48:09 +0200
parents a46e36b82461
children 98817e5daca7
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45000
5965efb609b6 hg-core: add FindRoot operation to find repository root path
Antoine Cezar <antoine.cezar@octobus.net>
parents: 44999
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1 mod find_root;
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2 pub use find_root::{FindRoot, FindRootError, FindRootErrorKind};
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3
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4 /// An interface for high-level hg operations.
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5 ///
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6 /// A distinction is made between operation and commands.
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7 /// An operation is what can be done whereas a command is what is exposed by
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8 /// the cli. A single command can use several operations to achieve its goal.
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9 pub trait Operation<T> {
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10 type Error;
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11 fn run(&self) -> Result<T, Self::Error>;
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12 }