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Diffstat (limited to 'doc/args/select_arm.md')
| -rw-r--r-- | doc/args/select_arm.md | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/args/select_arm.md b/doc/args/select_arm.md new file mode 100644 index 0000000..c371d22 --- /dev/null +++ b/doc/args/select_arm.md @@ -0,0 +1,7 @@ +A single arm inside the `select!` macro. + +| Variant | Example | Meaning | +| ---------- | ----------------- | ----------------------------------------------------- | +| `Explicit` | `"async" => expr` | Arm guarded by `feature = "async"` | +| `Not` | `! => expr` | Arm guarded by `not(feature = <other_arm's_feature>)` | +| `Implicit` | `expr` | Feature determined by `.await` detection | |