Operators
| * | splat operator |
| ** | double splat operator, (used for methods with keyword arguments) |
| !! | double bang, bang bang, double negation - converting (coercing) any value (object) into a boolean value (object) |
| == | equality operator |
| === | case equality operator case subsumption operator |
| => | hashrocket, hash rocket, (between keys and values in the definition of hashes) |
| <=> | starship operator comparison operator |
| ││= | conditional assignment operator |
| &. | lonely operator safe navigation operator optional chaining operator safe call operator null-conditional operator / nil-conditional operator |
| << | shovel operator |