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Avoid adding extra paren with two casts

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This commit is contained in:
Garming Sam 2015-08-10 04:45:57 +12:00
parent 6a51de0a0a
commit 22baa46f78
1 changed files with 5 additions and 1 deletions
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6
src/libsyntax/print/pprust.rs
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@ -1753,7 +1753,11 @@ impl<'a> State<'a> {
try!(self.print_literal(&**lit));
}
ast::ExprCast(ref expr, ref ty) => {
try!(self.print_expr_maybe_paren(&**expr));
if let ast::ExprCast(..) = expr.node {
try!(self.print_expr(&**expr));
} else {
try!(self.print_expr_maybe_paren(&**expr));
}
try!(space(&mut self.s));
try!(self.word_space("as"));
try!(self.print_type(&**ty));