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-rw-r--r--crates/ra_tt/src/lib.rs7
1 files changed, 6 insertions, 1 deletions
diff --git a/crates/ra_tt/src/lib.rs b/crates/ra_tt/src/lib.rs
index 1015ce0a6..bd484aa30 100644
--- a/crates/ra_tt/src/lib.rs
+++ b/crates/ra_tt/src/lib.rs
@@ -189,7 +189,12 @@ impl Subtree {
189pub mod buffer; 189pub mod buffer;
190 190
191#[derive(Debug, PartialEq, Eq)] 191#[derive(Debug, PartialEq, Eq)]
192pub enum ExpansionError {} 192pub enum ExpansionError {
193 IOError(String),
194 JsonError(String),
195 Unknown(String),
196 ExpansionError(String),
197}
193 198
194pub trait TokenExpander: Debug + Send + Sync + RefUnwindSafe { 199pub trait TokenExpander: Debug + Send + Sync + RefUnwindSafe {
195 fn expand(&self, subtree: &Subtree, attrs: Option<&Subtree>) 200 fn expand(&self, subtree: &Subtree, attrs: Option<&Subtree>)