yadunut/nus
1
0
Fork 0
Code Issues Pull Requests Actions Projects Releases Wiki Activity

feat: add Lab4

Browse Source
This commit is contained in:
Yadunand Prem
2022-09-15 11:21:56 +08:00
parent c4d857ed02
commit 46d4fa5e9d
116 changed files with 912 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
Lab4/Test6.java Normal file
View File

@@ -0,0 +1,65 @@
class Test6 {
public static void main(String[] args) {
CS2030STest we = new CS2030STest();
class Incr implements Immutator<Integer,Integer> {
public Integer invoke(Integer t1) {
return t1 + 1;
}
}
class Length implements Immutator<Integer,String> {
public Integer invoke(String t1) {
return t1.length();
}
}
Probably<Immutator<Integer,Integer>> justIncr = Probably.just(new Incr());
Probably<Immutator<Integer,String>> justLength = Probably.just(new Length());
Probably<Immutator<Integer,Integer>> noIncr = Probably.none();
Probably<Immutator<Integer,String>> noLength = Probably.none();
we.prefix("jshell> class Incr implements Immutator<Integer,Integer> {");
we.prefix(" ...> public Integer invoke(Integer t1) {");
we.prefix(" ...> return t1 + 1;");
we.prefix(" ...> }");
we.prefix("jshell> class Length implements Immutator<Integer,String> {");
we.prefix(" ...> public Integer invoke(String t1) {");
we.prefix(" ...> return t1.length();");
we.prefix(" ...> }");
we.prefix("jshell> Probably<Immutator<Integer,Integer>> justIncr = Probably.just(new Incr());");
we.prefix("jshell> Probably<Immutator<Integer,String>> justLength = Probably.just(new Length());");
we.prefix("jshell> Probably<Immutator<Integer,Integer>> noIncr = Probably.none();");
we.prefix("jshell> Probably<Immutator<Integer,String>> noLength = Probably.none();");
we.expect("Probably.just(17).<Integer>apply(justIncr)",
Probably.just(17).apply(justIncr).toString(),
"<18>");
we.expect("Probably.<Integer>none().<Integer>apply(justIncr)",
Probably.<Integer>none().apply(justIncr).toString(),
"<>");
we.expect("Probably.just(17).<Integer>apply(noIncr)",
Probably.just(17).apply(noIncr).toString(),
"<>");
we.expect("Probably.<Integer>none().<Integer>apply(noIncr)",
Probably.<Integer>none().apply(noIncr).toString(),
"<>");
we.expect("Probably.just(\"string\").<Integer>apply(justLength)",
Probably.just("string").apply(justLength).toString(),
"<6>");
we.expect("Probably.<String>none().<Integer>apply(justLength)",
Probably.<String>none().apply(justLength).toString(),
"<>");
we.expect("Probably.just(\"string\").<Integer>apply(noLength)",
Probably.just("string").apply(noLength).toString(),
"<>");
we.expect("Probably.<String>none().<Integer>apply(noLength)",
Probably.<String>none().apply(noLength).toString(),
"<>");
we.showStat();
we.print();
}
}