Files
Tagir Valeev a41ef84fea [java] Unnamed variables
IDEA-323910 Implement parser for "JEP 443: Unnamed Patterns and Variables (Preview)"
IDEA-323960 Support error highlighting for unnamed variables (JEP 443)

GitOrigin-RevId: 1b9ee424063dfd4d32c2215fc8b0a9838dbdcd95
2023-07-31 13:41:28 +00:00

35 lines
1.0 KiB
Java

import java.util.function.*;
public class UnnamedVariables {
void testParameter(int <error descr="Variable '_' is already defined in the scope">_</error>, String <error descr="Variable '_' is already defined in the scope">_</error>) {
System.out.println(_);
}
void testOneParam(String _) {
System.out.println(_);
}
int _ = 123;
<error descr="Incompatible types. Found: 'int', required: 'java.lang.String'">String s = _;</error>
void testLocal() {
int _ = 10;
int <error descr="Variable '_' is already defined in the scope">_</error> = 20;
for (int <error descr="Variable '_' is already defined in the scope">_</error> = 1;;) {}
}
void testCatch() {
try {
System.out.println();
}
catch (Exception _) {
System.out.println("ignore");
}
catch (Error _) {
int <error descr="Variable '_' is already defined in the scope">_</error> = 1;
for(int <error descr="Variable '_' is already defined in the scope">_</error>:new int[10]) {
System.out.println("oops");
}
}
}
}