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22 lines
289 B
Rust
22 lines
289 B
Rust
#[macro_export]
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macro_rules! defer {
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($body:block) => {
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struct _Defer_<F>
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where
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F: FnMut(),
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{
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closure: F,
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}
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impl<F> Drop for _Defer_<F>
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where
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F: FnMut(),
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{
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fn drop(&mut self) { (self.closure)(); }
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}
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let _defer_ = _Defer_ {
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closure: || $body,
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};
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};
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}
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