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Explain shadowing `if let Some(key) = key` destructuring in "Hardware Interrupts" #572

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phil-opp opened this issue Mar 27, 2019 · 0 comments
Open

Explain shadowing `if let Some(key) = key` destructuring in "Hardware Interrupts" #572

phil-opp opened this issue Mar 27, 2019 · 0 comments

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@phil-opp
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@phil-opp phil-opp commented Mar 27, 2019

We should add a short explanation of how shadowing works in this situation to help Rust beginners.

Reported in #480 (comment).

The pattern is used in https://os.phil-opp.com/hardware-interrupts/#interpreting-the-scancodes.
@phil-opp phil-opp mentioned this issue Mar 27, 2019
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