add missing docs (#635)

GuillaumeGomez · alexcrichton · commit 269d0ba959f7 · 2019-01-08T08:38:54.000-06:00
diff --git a/stdsimd/arch/detect/arch/arm.rs b/stdsimd/arch/detect/arch/arm.rs
@@ -1,5 +1,6 @@
 //! Run-time feature detection on ARM Aarch32.
 
+/// Checks if `arm` feature is enabled.
 #[macro_export]
 #[unstable(feature = "stdsimd", issue = "27731")]
 #[allow_internal_unstable]
diff --git a/stdsimd/arch/detect/arch/mips.rs b/stdsimd/arch/detect/arch/mips.rs
@@ -1,5 +1,6 @@
 //! Run-time feature detection on MIPS.
 
+/// Checks if `mips` feature is enabled.
 #[macro_export]
 #[unstable(feature = "stdsimd", issue = "27731")]
 #[allow_internal_unstable]
diff --git a/stdsimd/arch/detect/arch/mips64.rs b/stdsimd/arch/detect/arch/mips64.rs
@@ -1,5 +1,6 @@
 //! Run-time feature detection on MIPS64.
 
+/// Checks if `mips64` feature is enabled.
 #[macro_export]
 #[unstable(feature = "stdsimd", issue = "27731")]
 #[allow_internal_unstable]
diff --git a/stdsimd/arch/detect/arch/powerpc.rs b/stdsimd/arch/detect/arch/powerpc.rs
@@ -1,5 +1,6 @@
 //! Run-time feature detection on PowerPC.
 
+/// Checks if `powerpc` feature is enabled.
 #[macro_export]
 #[unstable(feature = "stdsimd", issue = "27731")]
 #[allow_internal_unstable]
diff --git a/stdsimd/arch/detect/arch/powerpc64.rs b/stdsimd/arch/detect/arch/powerpc64.rs
@@ -1,5 +1,6 @@
 //! Run-time feature detection on PowerPC64.
 
+/// Checks if `powerpc64` feature is enabled.
 #[macro_export]
 #[unstable(feature = "stdsimd", issue = "27731")]
 #[allow_internal_unstable]
