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Don't define black_box when core_hint_black_box feature enabled #127

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Don't define black_box when core_hint_black_box feature enabled #127

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1 change: 1 addition & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -219,6 +219,7 @@ impl Not for Choice {
/// Note: Rust's notion of "volatile" is subject to change over time. While this
/// code may break in a non-destructive way in the future, “constant-time” code
/// is a continually moving target, and this is better than doing nothing.
#[cfg(not(feature = "core_hint_black_box"))]
#[inline(never)]
fn black_box<T: Copy>(input: T) -> T {
unsafe {
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