From d963042ca9da93be8d5922ce46ea26dc6a79c929 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Thu, 27 Dec 2018 20:07:21 +0300
Subject: introduce hir::Name

---
 crates/ra_hir/src/name.rs | 56 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 crates/ra_hir/src/name.rs

(limited to 'crates/ra_hir/src/name.rs')

diff --git a/crates/ra_hir/src/name.rs b/crates/ra_hir/src/name.rs
new file mode 100644
index 000000000..7f42c9f04
--- /dev/null
+++ b/crates/ra_hir/src/name.rs
@@ -0,0 +1,56 @@
+use std::fmt;
+
+use ra_syntax::{ast, SmolStr};
+
+/// `Name` is a wrapper around string, which is used in hir for both references
+/// and declarations. In theory, names should also carry hygene info, but we are
+/// not there yet!
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Name {
+    text: SmolStr,
+}
+
+impl fmt::Display for Name {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        fmt::Display::fmt(&self.text, f)
+    }
+}
+
+impl Name {
+    // TODO: get rid of this?
+    pub(crate) fn as_str(&self) -> &str {
+        self.text.as_str()
+    }
+
+    #[cfg(not(test))]
+    fn new(text: SmolStr) -> Name {
+        Name { text }
+    }
+
+    #[cfg(test)]
+    pub(crate) fn new(text: SmolStr) -> Name {
+        Name { text }
+    }
+}
+
+pub(crate) trait AsName {
+    fn as_name(&self) -> Name;
+}
+
+impl AsName for ast::NameRef<'_> {
+    fn as_name(&self) -> Name {
+        Name::new(self.text())
+    }
+}
+
+impl AsName for ast::Name<'_> {
+    fn as_name(&self) -> Name {
+        Name::new(self.text())
+    }
+}
+
+impl AsName for ra_db::Dependency {
+    fn as_name(&self) -> Name {
+        Name::new(self.name.clone())
+    }
+}
-- 
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