29 lines
732 B
Rust
29 lines
732 B
Rust
//! Debug tracing helpers.
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use std::fmt;
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/// Prefix added to the log file names, just before the thread name or id.
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pub static LOG_FILENAME_PREFIX: &str = "cranelift.dbg.";
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/// Helper for printing lists.
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pub struct DisplayList<'a, T>(pub &'a [T])
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where
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T: 'a + fmt::Display;
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impl<'a, T> fmt::Display for DisplayList<'a, T>
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where
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T: 'a + fmt::Display,
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{
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match self.0.split_first() {
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None => write!(f, "[]"),
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Some((first, rest)) => {
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write!(f, "[{}", first)?;
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for x in rest {
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write!(f, ", {}", x)?;
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}
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write!(f, "]")
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}
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}
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}
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}
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