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Return None when there are comments around trait bounds
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@ -942,6 +942,15 @@ pub fn format_trait(context: &RewriteContext, item: &ast::Item, offset: Indent)
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rewrite_generics(context, generics, shape, mk_sp(item.span.lo(), body_lo))?;
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result.push_str(&generics_str);
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// FIXME(#2055): rustfmt fails to format when there are comments between trait bounds.
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if !type_param_bounds.is_empty() {
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let ident_hi = context.codemap.span_after(item.span, &format!("{}", item.ident));
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let bound_hi = type_param_bounds.last().unwrap().span().hi();
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let snippet = context.snippet(mk_sp(ident_hi, bound_hi));
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if contains_comment(&snippet) {
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return None;
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}
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}
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let trait_bound_str = rewrite_trait_bounds(
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context,
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type_param_bounds,
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