[vector] Add operator bool

a728c63a · Behdad Esfahbod · bd369773 · a728c63a
隐藏空白更改
内联并排

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src/hb-vector.hh src/hb-vector.hh +2 -0

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--- a/src/hb-vector.hh
+++ b/src/hb-vector.hh
@@ -89,6 +89,8 @@ struct hb_vector_t
    return arrayZ()[i];
  }

+  explicit_operator bool () const { return len; }
+
  hb_array_t<Type> as_array ()
  { return hb_array (arrayZ(), len); }
  hb_array_t<const Type> as_array () const