Don't convert Results to Options just for matching.

src/librustc_resolve/imports.rs

@@ -1252,7 +1252,7 @@ impl<'a, 'b> ImportResolver<'a, 'b> {
         // this may resolve to either a value or a type, but for documentation
         // purposes it's good enough to just favor one over the other.
         self.r.per_ns(|this, ns| {
-            if let Some(binding) = source_bindings[ns].get().ok() {
+            if let Ok(binding) = source_bindings[ns].get() {
                 this.import_res_map.entry(directive.id).or_default()[ns] = Some(binding.res());
             }
         });
@@ -1293,7 +1293,7 @@ impl<'a, 'b> ImportResolver<'a, 'b> {
         let mut redundant_span = PerNS { value_ns: None, type_ns: None, macro_ns: None };
 
         self.r.per_ns(|this, ns| {
-            if let Some(binding) = source_bindings[ns].get().ok() {
+            if let Ok(binding) = source_bindings[ns].get() {
                 if binding.res() == Res::Err {
                     return;
                 }

src/libstd/net/addr.rs

@@ -901,7 +901,7 @@ impl ToSocketAddrs for str {
     type Iter = vec::IntoIter<SocketAddr>;
     fn to_socket_addrs(&self) -> io::Result<vec::IntoIter<SocketAddr>> {
         // try to parse as a regular SocketAddr first
-        if let Some(addr) = self.parse().ok() {
+        if let Ok(addr) = self.parse() {
             return Ok(vec![addr].into_iter());
         }