commit | 76641df7be35f1de3c293e79ef1f723f173125a8 | [log] [tgz] |
---|---|---|
author | Joel Galenson <jgalenson@google.com> | Tue Nov 09 15:25:04 2021 +0000 |
committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Tue Nov 09 15:25:04 2021 +0000 |
tree | 1bdf2914c22444fbaef96bd738600bc53d0a1e28 | |
parent | 43c539dc086ba2fcb1cdc61c08379490ce61c071 [diff] | |
parent | 030e665e4742dbcd69c03ab28fd55d5583f3df57 [diff] |
Add apex_available. am: 030e665e47 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/cfg-if/+/1874545 Change-Id: I4f1d2bcc28cf03594f14ba8e6fa7bba357b13faa
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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