Added inference of array length

1 files changed, 5 insertions, 1 deletions

diff --git a/crates/ra_hir/src/ty.rs b/crates/ra_hir/src/ty.rs
index d42c61e9d..77690309a 100644
--- a/crates/ra_hir/src/ty.rs
+++ b/crates/ra_hir/src/ty.rs
@@ -353,10 +353,14 @@ impl HirDisplay for ApplicationTy {
             TypeCtor::Int(t) => write!(f, "{}", t)?,
             TypeCtor::Float(t) => write!(f, "{}", t)?,
             TypeCtor::Str => write!(f, "str")?,
-            TypeCtor::Slice | TypeCtor::Array => {
+            TypeCtor::Slice => {
                 let t = self.parameters.as_single();
                 write!(f, "[{}]", t.display(f.db))?;
             }
+            TypeCtor::Array => {
+                let t = self.parameters.as_single();
+                write!(f, "[{};usize]", t.display(f.db))?;
+            }
             TypeCtor::RawPtr(m) => {
                 let t = self.parameters.as_single();
                 write!(f, "*{}{}", m.as_keyword_for_ptr(), t.display(f.db))?;