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19 lines
457 B
Rust
19 lines
457 B
Rust
#[macro_export]
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macro_rules! time {
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($expr:expr) => {
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$crate::time!(stringify!($expr), $expr)
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};
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($label:expr, $expr:expr) => {
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$crate::time!($expr, "{}", $label)
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};
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($expr:expr, $fmt:expr, $($args:tt)*) => {{
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if tracing::enabled!(tracing::Level::DEBUG) {
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let start = std::time::Instant::now();
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let result = $expr;
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tracing::debug!("{} took {:?}", format_args!($fmt, $($args)*), start.elapsed());
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result
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} else {
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$expr
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}
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}};
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}
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