Struct Msg

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pub struct Msg { /* private fields */ }
Expand description

Represents a pubsub message.

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impl Msg

This holds the data that comes from listening to a pubsub connection. It only contains actual message data.

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pub fn from_value(value: &Value) -> Option<Msg>

Tries to convert provided Value into Msg.

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pub fn get_channel<T>(&self) -> Result<T, RedisError>
where T: FromRedisValue,

Returns the channel this message came on.

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pub fn get_channel_name(&self) -> &str

Convenience method to get a string version of the channel. Unless your channel contains non utf-8 bytes you can always use this method. If the channel is not a valid string (which really should not happen) then the return value is "?".

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pub fn get_payload<T>(&self) -> Result<T, RedisError>
where T: FromRedisValue,

Returns the message’s payload in a specific format.

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pub fn get_payload_bytes(&self) -> &[u8]

Returns the bytes that are the message’s payload. This can be used as an alternative to the get_payload function if you are interested in the raw bytes in it.

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pub fn from_pattern(&self) -> bool

Returns true if the message was constructed from a pattern subscription.

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pub fn get_pattern<T>(&self) -> Result<T, RedisError>
where T: FromRedisValue,

If the message was constructed from a message pattern this can be used to find out which one. It’s recommended to match against an Option<String> so that you do not need to use from_pattern to figure out if a pattern was set.

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impl Debug for Msg

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl Freeze for Msg

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impl RefUnwindSafe for Msg

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impl Send for Msg

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impl Sync for Msg

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impl Unpin for Msg

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impl UnwindSafe for Msg

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