1--- 2- &CENTER { x: 1, 'y': 2 } 3- &LEFT { x: 0, 'y': 2 } 4- &BIG { r: 10 } 5- &SMALL { r: 1 } 6 7# All the following maps are equal: 8 9- # Explicit keys 10 x: 1 11 'y': 2 12 r: 10 13 label: center/big 14 15- # Merge one map 16 << : *CENTER 17 r: 10 18 label: center/big 19 20- # Merge multiple maps 21 << : [ *CENTER, *BIG ] 22 label: center/big 23 24- # Override 25 << : [ *BIG, *LEFT, *SMALL ] 26 x: 1 27 label: center/big 28