commit | 50ee8e4c4ef9246f9d313a9f18414d7c6279502b | [log] [tgz] |
---|---|---|
author | Victor Hsieh <victorhsieh@google.com> | Thu Jan 07 13:03:16 2021 -0800 |
committer | Victor Hsieh <victorhsieh@google.com> | Thu Jan 07 13:03:16 2021 -0800 |
tree | 0ba90e5a8259907c8e0964319446bbaf8e83495a | |
parent | b0aa0a14115132e8f1459c1f96c3575f0296b9fe [diff] |
Add cfg-if to com.android.virt apex This is a new dependency in newer crosvm. Bug: 174797066 Test: m Change-Id: I62997c69c7594a02230150fbe03fa880a4c87e75
A macro to ergonomically define an item depending on a large number of #[cfg] parameters. Structured like an if-else chain, the first matching branch is the item that gets emitted.
[dependencies] cfg-if = "0.1"
cfg_if::cfg_if! { if #[cfg(unix)] { fn foo() { /* unix specific functionality */ } } else if #[cfg(target_pointer_width = "32")] { fn foo() { /* non-unix, 32-bit functionality */ } } else { fn foo() { /* fallback implementation */ } } } fn main() { foo(); }
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