fix compilation under rustc 1.77.2: missing unsafe (#60)

Author: pstiasny

src/completion.rs

@@ -385,7 +385,7 @@ impl<'r> CompletionString<'r> {
         iter!(
             clang_getCompletionNumAnnotations(self.ptr),
             clang_getCompletionAnnotation(self.ptr),
-        ).map(utility::to_string).collect()
+        ).map(|cxs| unsafe { utility::to_string(cxs) }).collect()
     }
 
     /// Returns the availability of this completion string.

src/documentation.rs

@@ -149,7 +149,7 @@ impl BlockCommand {
         let arguments = iter!(
             clang_BlockCommandComment_getNumArgs(raw),
             clang_BlockCommandComment_getArgText(raw),
-        ).map(utility::to_string).collect();
+        ).map(|cxs| unsafe { utility::to_string(cxs) }).collect();
         let paragraph = clang_BlockCommandComment_getParagraph(raw);
         let children = Comment::from_raw(paragraph).get_children();
         BlockCommand { command, arguments, children }
@@ -249,7 +249,7 @@ impl InlineCommand {
         let arguments = iter!(
             clang_InlineCommandComment_getNumArgs(raw),
             clang_InlineCommandComment_getArgText(raw),
-        ).map(utility::to_string).collect();
+        ).map(|cxs| unsafe { utility::to_string(cxs) }).collect();
         let style = match clang_InlineCommandComment_getRenderKind(raw) {
             CXCommentInlineCommandRenderKind_Normal => None,
             other => Some(mem::transmute(other)),

src/lib.rs

@@ -1787,7 +1787,7 @@ impl<'cmds> CompileCommand<'cmds> {
             clang_CompileCommand_getNumArgs(self.ptr),
             clang_CompileCommand_getArg(self.ptr),
         )
-        .map(utility::to_string)
+        .map(|cxs| unsafe { utility::to_string(cxs) })
         .collect()
     }
 

src/utility.rs

@@ -273,7 +273,7 @@ pub unsafe fn to_string(clang: CXString) -> String {
 }
 
 pub fn to_string_option(clang: CXString) -> Option<String> {
-    clang.map(to_string).and_then(|s| {
+    clang.map(|cxs| unsafe { to_string(cxs) }).and_then(|s| {
         if !s.is_empty() {
             Some(s)
         } else {