バージョン：25.2

same

operator -- the same as
- new in 1.63
- Examples: +
```
 put "cow" is the same as "COW" —> True
```
excludeProperties function: properties of x that aren’t the same as those in y
- new in 1.65
- Related: excludeProperties
matchingProperties function: properties of x that are the same as y
- new in 1.65
- Related: matchingProperties