strev 0.5.0

Event-driven pub/sub messaging library with compile-time ack safety
Documentation 
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use std::fmt;

#[derive(Clone, Debug, PartialEq, Eq, Hash)]
pub struct Topic(String);

impl Topic {
    pub fn new(name: impl Into<String>) -> Self {
        let name = name.into();
        assert!(!name.is_empty(), "topic name must not be empty");
        Self(name)
    }

    pub fn as_str(&self) -> &str {
        &self.0
    }
}

impl fmt::Display for Topic {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        f.write_str(&self.0)
    }
}