Appends a short String representation of this object which includes its class name and its object address.
Reference
Reference
Object
Object
Appends a short String representation of this object which includes its class name and its object address.
class Person def initialize(@name : String, @age : Int32) end end Person.new("John", 32).to_s # => #<Person:0x10a199f20>
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https://crystal-lang.org/api/0.35.1/JSON/Token.html