DanilaFe/Abacus
1
0
Fork 0
mirror of https://github.com/DanilaFe/abacus synced 2024-11-05 10:19:53 -08:00
Code Issues Releases Wiki Activity

Add promotion implementation.

Browse Source
This commit is contained in:
Danila Fedorin 2017-07-24 14:37:56 -07:00
parent 7bab3773dc
commit 6919fac18f
2 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/org/nwapw/abacus/number/NaiveNumber.java
View File

@ -48,5 +48,10 @@ public class NaiveNumber implements Number {
return new NaiveNumber(1);
}
@Override
public Number promoteTo(Class<? extends Number> toClass) {
if(toClass == this.getClass()) return this;
return null;
}
}

2
src/org/nwapw/abacus/number/Number.java
View File

@ -12,4 +12,6 @@ public interface Number {
Number zero();
Number one();
Number promoteTo(Class<? extends Number> toClass);
}