Mercurial > public > mercurial-scm > hg
annotate rust/hg-core/src/operations/mod.rs @ 44974:a46e36b82461
hg-core: add Operation interface for high-level hg operations
A distinction is made between operations and commands.
An operation is a high-level function of mercurial whereas a command is what is exposed by the cli.
A single command can use several operations to achieve its goal.
Differential Revision: https://phab.mercurial-scm.org/D8608
author | Antoine Cezar <antoine.cezar@octobus.net> |
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date | Fri, 05 Jun 2020 08:46:35 +0200 |
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children | 5965efb609b6 |
rev | line source |
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44974
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
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1 /// An interface for high-level hg operations. |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
2 /// |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
3 /// A distinction is made between operation and commands. |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
4 /// An operation is what can be done whereas a command is what is exposed by |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
5 /// the cli. A single command can use several operations to achieve its goal. |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
6 pub trait Operation<T> { |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
7 type Error; |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
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8 fn run(&self) -> Result<T, Self::Error>; |
a46e36b82461
hg-core: add Operation interface for high-level hg operations
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
9 } |