Add comment explaining the use of Option for inner

kalkyl · kalkyl · commit 89303b4752d1 · 2020-09-28T23:39:30.000+02:00
diff --git a/nrf-hal-common/src/twis.rs b/nrf-hal-common/src/twis.rs
@@ -496,6 +496,7 @@ pub enum TwiEvent {
 
 /// A DMA transfer
 pub struct Transfer<T: Instance, B> {
+    // FIXME: Always `Some`, only using `Option` here to allow moving fields out of `inner`.
     inner: Option<Inner<T, B>>,
 }
 

Original file line number	Diff line number	Diff line change
`@@ -496,6 +496,7 @@ pub enum TwiEvent {`
`496`	`496`
`497`	`497`	`/// A DMA transfer`
`498`	`498`	`pub struct Transfer<T: Instance, B> {`
	`499`	+ // FIXME: Always `Some`, only using `Option` here to allow moving fields out of `inner`.
`499`	`500`	`inner: Option<Inner<T, B>>,`
`500`	`501`	`}`
`501`	`502`