From 2e18783a2f6e29c225d177e8a0fb866a9c9d85df Mon Sep 17 00:00:00 2001
From: Glenn Smith <glenn@vector35.com>
Date: Tue, 19 Jul 2022 17:02:09 -0400
Subject: [Rust API] General type fixes and additions

---
 rust/src/binaryview.rs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'rust/src/binaryview.rs')

diff --git a/rust/src/binaryview.rs b/rust/src/binaryview.rs
index e64dbb61..43eb1dfc 100644
--- a/rust/src/binaryview.rs
+++ b/rust/src/binaryview.rs
@@ -18,7 +18,7 @@
 //! TODO : Mirror the Python docs for this
 
 use binaryninjacore_sys::*;
-use std::convert::TryFrom;
+use std::convert::{TryFrom, TryInto};
 
 pub use binaryninjacore_sys::BNModificationStatus as ModificationStatus;
 
@@ -144,6 +144,11 @@ pub trait BinaryViewExt: BinaryViewBase {
         }
     }
 
+    fn type_name(&self) -> BnString {
+        let ptr: *mut c_char = unsafe { BNGetViewType(self.as_ref().handle) };
+        unsafe { BnString::from_raw(ptr) }
+    }
+
     fn parent_view(&self) -> Result<Ref<BinaryView>> {
         let handle = unsafe { BNGetParentView(self.as_ref().handle) };
 
@@ -847,11 +852,12 @@ pub trait BinaryViewExt: BinaryViewBase {
         }
     }
 
-    fn get_metadata<T: TryFrom<&Metadata>, S: BnStrCompatible>(
-        &self,
-        key: S,
-    ) -> Option<std::result::Result<T, T::Error>> {
-        self.query_metadata(key).map(|md| T::try_from(md))
+    fn get_metadata<T, S: BnStrCompatible>(&self, key: S) -> Option<Result<T>>
+    where
+        T: for<'a> TryFrom<&'a Metadata>,
+    {
+        self.query_metadata(key)
+            .map(|md| T::try_from(md.as_ref()).map_err(|_| ()))
     }
 
     fn remove_metadata<S: BnStrCompatible>(&self, key: S) {
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