Create braces around closure body during printing if needed#1658
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Create braces around closure body during printing if needed#1658
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If a closure has an omitted return type, any kind of expression is allowed in the closure body:
|| 1 + 1. But if there is a return type, only a block expression is allowed:|| -> i32 { 1 + 1 }. Without braces|| -> i32 1 + 1is not legal syntax.