commit | bea6e06c557913919ee0d7acda0c738ef18e4fc0 | [log] [tgz] |
---|---|---|
author | Joel Galenson <jgalenson@google.com> | Tue Aug 24 18:23:59 2021 +0000 |
committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Tue Aug 24 18:23:59 2021 +0000 |
tree | ddb7e7d814fc443481b6c47b3b3268725d638d6c | |
parent | f5718fa9bd681fd572b895fc09de472d0415deaf [diff] | |
parent | 77fd95d8bcb0eede59b9cec7bd232f5108734597 [diff] |
Update TEST_MAPPING am: 77fd95d8bc Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/cfg-if/+/1806118 Change-Id: I71c3b485a3f82f81e048673f604b7ea088f8cd39
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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