rename all things

crates/ra_syntax/src/text_utils.rs

@@ -0,0 +1,26 @@
+use {TextRange, TextUnit};
+
+pub fn contains_offset_nonstrict(range: TextRange, offset: TextUnit) -> bool {
+    range.start() <= offset && offset <= range.end()
+}
+
+pub fn is_subrange(range: TextRange, subrange: TextRange) -> bool {
+    range.start() <= subrange.start() && subrange.end() <= range.end()
+}
+
+pub fn intersect(r1: TextRange, r2: TextRange) -> Option<TextRange> {
+    let start = r1.start().max(r2.start());
+    let end = r1.end().min(r2.end());
+    if start <= end {
+        Some(TextRange::from_to(start, end))
+    } else {
+        None
+    }
+}
+
+pub fn replace_range(mut text: String, range: TextRange, replace_with: &str) -> String {
+    let start = u32::from(range.start()) as usize;
+    let end = u32::from(range.end()) as usize;
+    text.replace_range(start..end, replace_with);
+    text
+}