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Diffstat (limited to 'doc/ractor.md')
| -rw-r--r-- | doc/ractor.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/ractor.md b/doc/ractor.md index 3ead510501..7a69e839de 100644 --- a/doc/ractor.md +++ b/doc/ractor.md @@ -204,8 +204,8 @@ For message sending and receiving, there are two types of APIs: push type and pu * When a Ractor is terminated, the Ractor's ports are closed. * There are 3 ways to send an object as a message * (1) Send a reference: Sending a shareable object, send only a reference to the object (fast) - * (2) Copy an object: Sending an unshareable object by copying an object deeply (slow). Note that you can not send an object which does not support deep copy. Some `T_DATA` objects are not supported. - * (3) Move an object: Sending an unshareable object reference with a membership. Sender Ractor can not access moved objects anymore (raise an exception) after moving it. Current implementation makes new object as a moved object for receiver Ractor and copies references of sending object to moved object. + * (2) Copy an object: Sending an unshareable object by copying an object deeply (slow). Note that you can not send an object which does not support deep copy. Some `T_DATA` objects (objects whose class is defined in a C extension, such as `StringIO`) are not supported. + * (3) Move an object: Sending an unshareable object reference with a membership. Sender Ractor can not access moved objects anymore (raise an exception) after moving it. Current implementation makes new object as a moved object for receiver Ractor and copies references of sending object to moved object. `T_DATA` objects are not supported. * You can choose "Copy" and "Move" by the `move:` keyword, `Ractor#send(obj, move: true/false)` and `Ractor.yield(obj, move: true/false)` (default is `false` (COPY)). ### Sending/Receiving ports |