Jason Volk
53 lines
983 B
Rust
53 lines
983 B
Rust
use super::Result;
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/// Inspect Result values with release-mode elision.
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pub trait DebugInspect<T, E> {
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/// Inspects an Err contained value in debug-mode. In release-mode closure F
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/// is elided.
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#[must_use]
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fn debug_inspect_err<F: FnOnce(&E)>(self, f: F) -> Self;
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/// Inspects an Ok contained value in debug-mode. In release-mode closure F
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/// is elided.
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#[must_use]
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fn debug_inspect<F: FnOnce(&T)>(self, f: F) -> Self;
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}
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#[cfg(debug_assertions)]
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impl<T, E> DebugInspect<T, E> for Result<T, E> {
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#[inline]
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fn debug_inspect<F>(self, f: F) -> Self
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where
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F: FnOnce(&T),
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{
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self.inspect(f)
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}
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#[inline]
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fn debug_inspect_err<F>(self, f: F) -> Self
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where
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F: FnOnce(&E),
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{
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self.inspect_err(f)
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}
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}
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#[cfg(not(debug_assertions))]
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impl<T, E> DebugInspect<T, E> for Result<T, E> {
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#[inline]
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fn debug_inspect<F>(self, _: F) -> Self
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where
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F: FnOnce(&T),
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{
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self
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}
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#[inline]
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fn debug_inspect_err<F>(self, _: F) -> Self
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where
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F: FnOnce(&E),
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{
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self
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}
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}
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