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-rw-r--r--crates/ra_syntax/src/algo.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/crates/ra_syntax/src/algo.rs b/crates/ra_syntax/src/algo.rs
index 344cf0fbe..ffdbdc767 100644
--- a/crates/ra_syntax/src/algo.rs
+++ b/crates/ra_syntax/src/algo.rs
@@ -95,6 +95,10 @@ impl TreeDiff {
95 builder.replace(from.text_range(), to.to_string()) 95 builder.replace(from.text_range(), to.to_string())
96 } 96 }
97 } 97 }
98
99 pub fn is_empty(&self) -> bool {
100 self.replacements.is_empty()
101 }
98} 102}
99 103
100/// Finds minimal the diff, which, applied to `from`, will result in `to`. 104/// Finds minimal the diff, which, applied to `from`, will result in `to`.