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nobeans/gist:619334

Last active September 23, 2015 21:37
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gistfile1.txt
// g100pon #57 GStringが遅延評価ぽくなるケース
String s1 = "こんにちは"
String s2 = "g100pon"
def gstrFixed = "${s1}、${s2}です" // 文字列としてGStringに埋め込むのでこの時点で確定している
def gstrLazy = "${->s1}、${->s2}です" // Closureでくるむことで評価を遅延させる
assert gstrFixed.toString() == "こんにちは、g100ponです"
assert gstrLazy.toString() == "こんにちは、g100ponです"
s1 = "こんばんは"
s2 = "g1000bon"
assert gstrFixed.toString() == "こんにちは、g100ponです"
assert gstrLazy.toString() == "こんばんは、g1000bonです"
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