54 lines
2.2 KiB
Java
54 lines
2.2 KiB
Java
class Test4 {
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public static void main(String[] args) {
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CS2030STest we = new CS2030STest();
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class Incr implements Immutator<Integer,Integer> {
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public Integer invoke(Integer t1) {
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return t1 + 1;
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}
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}
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class Length implements Immutator<Integer,String> {
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public Integer invoke(String t1) {
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return t1.length();
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}
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}
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we.prefix("jshell> class Incr implements Immutator<Integer,Integer> {");
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we.prefix(" ...> public Integer invoke(Integer t1) {");
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we.prefix(" ...> return t1 + 1;");
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we.prefix(" ...> }");
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we.prefix(" ...> }");
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we.prefix("jshell> class Length implements Immutator<Integer,String> {");
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we.prefix(" ...> public Integer invoke(String t1) {");
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we.prefix(" ...> return t1.length();");
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we.prefix(" ...> }");
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we.prefix(" ...> }");
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we.expect("Probably.just(4).transform(new Incr())",
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Probably.just(4).transform(new Incr()).toString(),
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"<5>");
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we.expect("Probably.just(4).transform(new Incr()).transform(new Incr())",
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Probably.just(4).transform(new Incr()).transform(new Incr()).toString(),
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"<6>");
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we.expect("Probably.just(\"string\").transform(new Length())",
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Probably.just("string").transform(new Length()).toString(),
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"<6>");
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we.expect("Probably.just(\"string\").transform(new Length()).transform(new Incr())",
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Probably.just("string").transform(new Length()).transform(new Incr()).toString(),
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"<7>");
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we.expect("Probably.<Integer>none().transform(new Incr())",
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Probably.<Integer>none().transform(new Incr()).toString(),
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"<>");
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we.expect("Probably.<String>none().transform(new Length())",
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Probably.<String>none().transform(new Length()).toString(),
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"<>");
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we.expect("Probably.<String>just(null).transform(new Length()).transform(new Incr())",
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Probably.<String>just(null).transform(new Length()).transform(new Incr()).toString(),
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"<>");
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we.showStat();
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we.print();
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}
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} |