The idea of defining a YAML Scalar, YAML Sequence to another YAML Scalar, YAML Sequence. YAML Mappings Like a Hashmap.
Mapping Scalar to Scalar
file : "/usr/bin/cat"
Flow Style
Mark McGwire: {hr: 65, avg: 0.278}
Allows for mapping of mappings
Complex Mapping Keys
? - Detroit Tigers
- Chicago cubs
: - 2001-07-23