22 lines
287 B
Scala
22 lines
287 B
Scala
package practise6.exercises
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/*
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练习 4
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把：
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val add: (Int, Int) => Int = (a, b) => a + b
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改成 _。
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要求：
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println(add(10, 20))
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输出：
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30
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*/
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object Exercises4 {
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def main(args: Array[String]): Unit = {
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val add: (Int, Int) => Int = _ + _
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println(add(10, 20))
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}
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}
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