add description

Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "stackalloc"
 version = "0.1.0"
+description = "allocate arbitrary bytes on the stack at runtime"
 authors = ["Avril <flanchan@cumallover.me>"]
 edition = "2018"
 

src/ffi.rs

@@ -16,7 +16,7 @@ extern "C" {
 /// * `cb` is guaranteed to be called unless allocating `size` bytes on the stack causes a stack overflow, in which case the program will terminate.
 /// * The data pointed to by `ptr` is guaranteed to be popped from the stack once this function returns (even in the case of a `longjmp`, but `panic!()` within the callback is still undefined behaviour).
 // Never inline this, in case LTO inlines the call to `_alloca_trampoline`, we always want this function to pop the alloca'd memory.
-// (NOTE: Test to see if this can ever happen. If it can't, the change this to `inline(always)` or remove the `inline` attribute
+// (NOTE: Test to see if this can ever happen. If it can't, the change this to `inline(always)` or remove the `inline` attribute.)
 #[inline(never)] pub unsafe fn alloca_trampoline(size: usize, cb: CallbackRaw, data: *mut c_void)
 {
     _alloca_trampoline(size, Some(cb), data);