Failed to infer the return type from the generics methods.
bitter_fox
bitterfoxc at gmail.com
Wed Dec 10 16:29:32 UTC 2014
Hi, Robert.
I found some corner cases which make type inference failed and they make
some error:
-> java.util.Arrays.asList(0, 0.0)
(...)
+++++WRAP
package REPL;
public class $REPL2 {
public static Object do_it() throws Throwable {
$1=java.util.Arrays.asList(0, 0.0);;
return $1;
}
public static java.util.List<java.lang.Number&java.lang.Comparable<?
extends java.lang.Number&java.lang.Comparable<?>>> $1;
}
-----
| Error --
| > expected
| java.util.Arrays.asList(0, 0.0);
| Error --
| > expected
| java.util.Arrays.asList(0, 0.0);
| Error --
| <identifier> expected
| java.util.Arrays.asList(0, 0.0);
| Error --
| <identifier> expected
| java.util.Arrays.asList(0, 0.0);
Another corner case:
-> "".getClass()
(...)
+++++WRAP
package REPL;
import static REPL.$REPL5.*;
public class $REPL8 {
public static Object do_it() throws Throwable {
$3="".getClass();;
return $3;
}
public static java.lang.Class<capture#877 of ? extends
java.lang.String> $3;
}
-----
| Error --
| illegal character: '#'
| "".getClass();
| Error --
| <identifier> expected
| "".getClass();
| Error --
| <identifier> expected
| "".getClass();
| Error --
| <identifier> expected
| "".getClass();
Regards,
shinyafox
ShinyaYoshida(@bitter_fox)
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