commit | 7d2b08c97ce3f34fcad36e05de7eb9dc025274d2 | [log] [tgz] |
---|---|---|
author | Joel Galenson <jgalenson@google.com> | Mon Aug 30 21:07:59 2021 +0000 |
committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Mon Aug 30 21:07:59 2021 +0000 |
tree | 7d24c195854da755bcd5bd5757826ee5b905bdcd | |
parent | 638091cf9cef138c6b2d344949fa24116674e193 [diff] | |
parent | 77bbbf4833a36e41f5597cce92a10e9ab3152345 [diff] |
Update TEST_MAPPING am: 1fd951651a am: 77bbbf4833 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/cfg-if/+/1813816 Change-Id: I92182c51bb82efb24c8a997d164b1356ac857ac3
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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