一。用途:处理字符串 二。类型:s:插值 f:格式输出 raw:字符串是什么就输出什么 三。例子
val name =
"Tom"
println(s
"Hello $name")
val height =
1.0d
val name =
"Tom"
println(f
"$name%s is $height%2.3f ")
println(
"a\nb\tc")
a
b c
println(raw
"a\nb\tc")
a\nb\tc
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