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29 lines
725 B
29 lines
725 B
//! Extra logging types for log files and such
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use super::*;
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use generational_arena::Index;
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use mopa::*;
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use std::marker::{Sync, Send};
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/// A logging hook
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pub trait Hook: Sync + Send + Any
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{
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/// The name of this hook object
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fn name(&self) -> &str {"(unnamed)"}
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/// Fired when hook is added
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fn initialise(&mut self, _idx: &Index) {}
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/// Fired when `println` is called
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fn println(&mut self, level: &dyn AsLevel, what: &dyn Display, trace: &Trace) -> io::Result<()>;
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/// Fired when hook is removed
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fn finalise(&mut self, _idx: Index) {}
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}
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mopafy!(Hook);
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impl std::fmt::Debug for dyn Hook
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{
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
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{
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write!(f, "<opaque type>")
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}
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}
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