Follow matklad suggestions

- Move vis_offset() to utils.rs
- Shorten explicit ra_syntax::ast -> ast
- Undo refactoring exhaustive pattern to non-exhaustive

crates/ra_assists/src/handlers/change_visibility.rs

@@ -9,7 +9,7 @@
 };
 use test_utils::mark;
 
-use crate::{AssistContext, AssistId, Assists};
+use crate::{utils::vis_offset, AssistContext, AssistId, Assists};
 
 // Assist: change_visibility
 //
@@ -70,13 +70,6 @@ fn add_vis(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
     })
 }
 
-fn vis_offset(node: &SyntaxNode) -> TextSize {
-    node.children_with_tokens()
-        .find(|it| !matches!(it.kind(), WHITESPACE | COMMENT | ATTR))
-        .map(|it| it.text_range().start())
-        .unwrap_or_else(|| node.text_range().start())
-}
-
 fn change_vis(acc: &mut Assists, vis: ast::Visibility) -> Option<()> {
     if vis.syntax().text() == "pub" {
         let target = vis.syntax().text_range();

crates/ra_assists/src/handlers/fix_visibility.rs

@@ -6,7 +6,7 @@
     SyntaxNode, TextRange, TextSize,
 };
 
-use crate::{AssistContext, AssistId, Assists};
+use crate::{utils::vis_offset, AssistContext, AssistId, Assists};
 
 // FIXME: this really should be a fix for diagnostic, rather than an assist.
 
@@ -177,13 +177,6 @@ fn offset_target_and_file_id<S, Ast>(
     Some((offset, target, target_file, target_name))
 }
 
-fn vis_offset(node: &SyntaxNode) -> TextSize {
-    node.children_with_tokens()
-        .find(|it| !matches!(it.kind(), WHITESPACE | COMMENT | ATTR))
-        .map(|it| it.text_range().start())
-        .unwrap_or_else(|| node.text_range().start())
-}
-
 #[cfg(test)]
 mod tests {
     use crate::tests::{check_assist, check_assist_not_applicable};

crates/ra_assists/src/handlers/merge_match_arms.rs

@@ -81,7 +81,7 @@ pub(crate) fn merge_match_arms(acc: &mut Assists, ctx: &AssistContext) -> Option
 }
 
 fn contains_placeholder(a: &ast::MatchArm) -> bool {
-    matches!(a.pat(), Some(ra_syntax::ast::Pat::PlaceholderPat(..)))
+    matches!(a.pat(), Some(ast::Pat::PlaceholderPat(..)))
 }
 
 #[cfg(test)]

crates/ra_assists/src/utils.rs

@@ -7,7 +7,9 @@
 use ra_ide_db::RootDatabase;
 use ra_syntax::{
     ast::{self, make, NameOwner},
-    AstNode, SyntaxNode, T,
+    AstNode,
+    SyntaxKind::*,
+    SyntaxNode, TextSize, T,
 };
 use rustc_hash::FxHashSet;
 
@@ -120,6 +122,13 @@ pub(crate) fn resolve_target_trait(
     }
 }
 
+pub(crate) fn vis_offset(node: &SyntaxNode) -> TextSize {
+    node.children_with_tokens()
+        .find(|it| !matches!(it.kind(), WHITESPACE | COMMENT | ATTR))
+        .map(|it| it.text_range().start())
+        .unwrap_or_else(|| node.text_range().start())
+}
+
 pub(crate) fn invert_boolean_expression(expr: ast::Expr) -> ast::Expr {
     if let Some(expr) = invert_special_case(&expr) {
         return expr;

crates/ra_hir_def/src/nameres.rs

@@ -137,7 +137,10 @@ pub fn file_id(&self) -> Option<FileId> {
     }
 
     pub fn is_inline(&self) -> bool {
-        matches!(self, ModuleOrigin::Inline { .. })
+        match self {
+            ModuleOrigin::Inline { .. } => true,
+            ModuleOrigin::CrateRoot { .. } | ModuleOrigin::File { .. } => false,
+        }
     }
 
     /// Returns a node which defines this module.