libsyntax: add explicit modes where required to copy strs/vecs
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@@ -209,7 +209,7 @@ fn eq(a: @ast::meta_item, b: @ast::meta_item) -> bool {
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pub fn contains_name(metas: &[@ast::meta_item], name: &str) -> bool {
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let matches = find_meta_items_by_name(metas, name);
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return vec::len(matches) > 0u;
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matches.len() > 0u
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}
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pub fn attrs_contains_name(attrs: &[ast::attribute], name: &str) -> bool {
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@@ -227,14 +227,14 @@ pub fn first_attr_value_str_by_name(attrs: ~[ast::attribute], name: &str)
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}
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}
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fn last_meta_item_by_name(items: ~[@ast::meta_item], name: &str)
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fn last_meta_item_by_name(items: &[@ast::meta_item], name: &str)
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-> Option<@ast::meta_item> {
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let items = attr::find_meta_items_by_name(items, name);
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vec::last_opt(items)
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}
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pub fn last_meta_item_value_str_by_name(items: ~[@ast::meta_item], name: &str)
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pub fn last_meta_item_value_str_by_name(items: &[@ast::meta_item], name: &str)
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-> Option<@~str> {
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match last_meta_item_by_name(items, name) {
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