Ceylon also ensures (at compile time) that the switch statement contains an exhaustive list of instance tests or, at a minimum, an else clause to provide complete coverage.

Ceylon还确认(在编译时)switch语句包含详尽的实例测试列表，至少包含else子句，从而提供完整的覆盖范围。

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Ceylon also ensures (at compile time) that the switch statement contains an exhaustive list of instance tests or, at a minimum, an else clause to provide complete coverage.

Ceylon还确认(在编译时)switch语句包含详尽的实例测试列表，至少包含else子句，从而提供完整的覆盖范围。

youdao