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aeg/RightFunction.groovy

Created May 11, 2013 17:53
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文字列の末尾から何文字目までを取り出す
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RightFunction.groovy
// Case #1
// 文字列の末尾から何文字目までを取り出す(BasicのRight関数の動き)
def rightStr(String string, int cutLength) {
string.substring(string.length() - cutLength)
}
assert rightStr("12345678",3) == "678"
// Case #2
// 文字列の末尾から何文字目までを取り出す。Stringにメソッド追加。
String.metaClass.right = { cutLength ->
delegate.substring(delegate.length()- cutLength)
}
assert "abcdefg".right(4) == "defg"
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