From a6146d35b1615cf5fb908b29f34e58bfde3bf96d Mon Sep 17 00:00:00 2001
From: Marcus Klaas de Vries <mail@marcusklaas.nl>
Date: Thu, 10 Jan 2019 13:54:58 +0100
Subject: Implement type inference for literals (WIP)

---
 crates/ra_syntax/src/yellow/syntax_text.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'crates/ra_syntax/src/yellow/syntax_text.rs')

diff --git a/crates/ra_syntax/src/yellow/syntax_text.rs b/crates/ra_syntax/src/yellow/syntax_text.rs
index 08dbe57a2..378cd1b2e 100644
--- a/crates/ra_syntax/src/yellow/syntax_text.rs
+++ b/crates/ra_syntax/src/yellow/syntax_text.rs
@@ -15,6 +15,7 @@ impl<'a> SyntaxText<'a> {
             range: node.range(),
         }
     }
+
     pub fn chunks(&self) -> impl Iterator<Item = &'a str> {
         let range = self.range;
         self.node.descendants().filter_map(move |node| {
@@ -24,15 +25,19 @@ impl<'a> SyntaxText<'a> {
             Some(&text[range])
         })
     }
+
     pub fn push_to(&self, buf: &mut String) {
         self.chunks().for_each(|it| buf.push_str(it));
     }
+
     pub fn to_string(&self) -> String {
         self.chunks().collect()
     }
+
     pub fn contains(&self, c: char) -> bool {
         self.chunks().any(|it| it.contains(c))
     }
+
     pub fn find(&self, c: char) -> Option<TextUnit> {
         let mut acc: TextUnit = 0.into();
         for chunk in self.chunks() {
@@ -44,9 +49,11 @@ impl<'a> SyntaxText<'a> {
         }
         None
     }
+
     pub fn len(&self) -> TextUnit {
         self.range.len()
     }
+
     pub fn slice(&self, range: impl SyntaxTextSlice) -> SyntaxText<'a> {
         let range = range.restrict(self.range).unwrap_or_else(|| {
             panic!("invalid slice, range: {:?}, slice: {:?}", self.range, range)
@@ -56,8 +63,10 @@ impl<'a> SyntaxText<'a> {
             range,
         }
     }
-    pub fn char_at(&self, offset: TextUnit) -> Option<char> {
+
+    pub fn char_at(&self, offset: impl Into<TextUnit>) -> Option<char> {
         let mut start: TextUnit = 0.into();
+        let offset = offset.into();
         for chunk in self.chunks() {
             let end = start + TextUnit::of_str(chunk);
             if start <= offset && offset < end {
-- 
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