Message in Chinese (Simplified) (中文(简体))
类型参数“<var>Y</var>”具有“struct”约束,因此“<var>Y</var>”不能用作“<var>X</var>”的约束
Unlocalized message
Type parameter '<var>Y</var>' has the 'struct' constraint so '<var>Y</var>' cannot be used as a constraint for '<var>X</var>'
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