Print a single ellipsis for any number of omitted types

Jonas Schievink · Jonas Schievink · commit 601dc50b5ae0 · 2022-01-10T16:55:53.000+01:00
diff --git a/crates/hir_ty/src/display.rs b/crates/hir_ty/src/display.rs
@@ -151,6 +151,12 @@ impl<'a> HirFormatter<'a> {
                 write!(self, "{}", sep)?;
             }
             first = false;
+
+            // Abbreviate multiple omitted types with a single ellipsis.
+            if self.should_truncate() {
+                return write!(self, "{}", TYPE_HINT_TRUNCATION);
+            }
+
             e.hir_fmt(self)?;
         }
         Ok(())

Original file line number	Diff line number	Diff line change
`@@ -151,6 +151,12 @@ impl<'a> HirFormatter<'a> {`
`151`	`151`	`write!(self, "{}", sep)?;`
`152`	`152`	`}`
`153`	`153`	`first = false;`
	`154`	`+`
	`155`	`+ // Abbreviate multiple omitted types with a single ellipsis.`
	`156`	`+ if self.should_truncate() {`
	`157`	`+ return write!(self, "{}", TYPE_HINT_TRUNCATION);`
	`158`	`+ }`
	`159`	`+`
`154`	`160`	`e.hir_fmt(self)?;`
`155`	`161`	`}`
`156`	`162`	`Ok(())`