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| #!/bin/sh | |
| exec scala -nc "$0" "$@" | |
| !# | |
| import scala.io._ | |
| val source = if(args.length>0) Source.fromFile(args(0)).getLines else Source.stdin.getLines | |
| val pattern = """([a-zA-Z]+)-(\d+)""".r | |
| source.flatMap(pattern.findFirstIn).toList.distinct.foreach(println) |
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| cond = "false" | |
| if cond then true else false end | |
| => true |
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| def match_type param | |
| if param.kind_of? Integer | |
| puts "it's a Integer" | |
| end | |
| if param.kind_of? String | |
| puts "its a String" | |
| end | |
| if param.kind_of? Array | |
| puts "its an Array" | |
| end |
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| def postProcess int_list | |
| int_list.map{ |i| i * 2}.each{|l| puts l} | |
| end | |
| list = [1,2,3,4,5] | |
| rs = list.map{ |i| i * 2 }.map{ |i| i + 3 }.reject{|j| j > 10}.map{ |i|i.to_s} | |
| postProcess(rs) |
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| def postProcess int_list | |
| int_list.map{ |i| i - 2}.each{|l| puts l} | |
| end | |
| list = [1,2,3,4,5] | |
| rs = list.map{ |i| i * 2 }.map{ |i| i + 3 }.reject{|j| j > 10}.map{ |i|i.to_s} | |
| postProcess(rs) |
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| def postProcess int_list | |
| int_list.each{|l| puts l} | |
| end | |
| list = [1,2,3,4,5] | |
| rs = list.map{ |i| i * 2 }.map{ |i| i + 3 }.reject{|j| j > 10}.map{ |i|i.to_s} | |
| postProcess(rs) |
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| def postProcess int_list | |
| int_list.each{|l| puts l} | |
| end | |
| list = [1,2,3,4,5] | |
| rs = list.map{ |i| i * 2 }.map{ |i| i + 3 }.reject{|j| j > 10} | |
| postProcess(rs) |
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| list = [1,2,3,4,5] | |
| rs = list.map{ |i| i * 2 }.map{ |i| i + 3 }.reject{|j| j > 10} | |
| rs.each{|l| puts l} |
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| def qsort[T <% Ordered[T]](list:List[T]):List[T] = { | |
| list.match({ | |
| case Nil => Nil; | |
| case x::xs => | |
| val (before,after) = xs.partition({ i => i.<(x) }); | |
| qsort(before).++(qsort(after).::(x))); | |
| }); | |
| } | |
| def qsort[T <% Ordered[T]](list:List[T]):List[T] = list match { |
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| def requestAccToken(code:String): Option[String] = if(code=="bad") None else Some("token") | |
| def requestOpenId(token:String): Option[String] = Some("openId") | |
| def requestUserInfo(openId:String): Option[String] = Some("notyy's account") | |
| def getUser(code:String):Option[String] = requestAccToken(code) flatMap(requestOpenId) flatMap(requestUserInfo) |