Module U.Expect

val mut_borrow : AST.expr -> AST.expr Prelude.option
val pbinding_simple : AST.pat -> (Ast.local_ident * AST.ty) Prelude.option
val deref_mut_app : AST.expr -> AST.expr Prelude.option
val local_var : AST.expr -> AST.expr Prelude.option
val mut_ref : AST.ty -> AST.ty Prelude.option