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api/reader.go: Document io.EOF

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This commit is contained in:
Henrik Hautakoski 2024-02-07 17:30:19 +01:00
parent d789b6a294
commit daa89cf372
1 changed files with 4 additions and 1 deletions
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api/reader.go
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@ -8,10 +8,13 @@ type Reader interface {
// Read a message from a channel. // Read a message from a channel.
// Read may block until a message is ready or an error occured. // Read may block until a message is ready or an error occured.
// //
// io.EOF is returned from a reader when there is no more data to be read.
// If Read returns io.EOF all subsequent calls must also return io.EOF
//
// This function should be designed to handle concurrent calls. eg. thread safe. // This function should be designed to handle concurrent calls. eg. thread safe.
Read(channel Channel) ([]byte, error) Read(channel Channel) ([]byte, error)
// Close closes the reader // Close closes the reader
// Any blocked Read operations will be unblocked. // Any blocked Read operations will be unblocked and return io.EOF
Close() error Close() error
} }