output/interface: document that Drain() may throw

This commit is contained in:
Max Kellermann 2018-11-12 12:04:42 +01:00
parent 72184dccfc
commit eddda95900

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@ -159,6 +159,8 @@ public:
/** /**
* Wait until the device has finished playing. * Wait until the device has finished playing.
*
* Throws on error.
*/ */
virtual void Drain() {} virtual void Drain() {}