struct Symbol

Overview

A symbol is a constant that is identified by a name without you having to give it a numeric value.

:hello
:welcome
:"123"
:"symbol with spaces"

See Symbol literals in the language reference.

Internally a symbol is represented as an Int32, so it's very efficient.

You can't dynamically create symbols. When you compile your program, each symbol gets assigned a unique number.

Included Modules

Defined in:

nason/to_json.cr

Instance Method Summary

Instance methods inherited from struct Value

==(other : NASON::Any) ==

Instance methods inherited from class Object

===(other : NASON::Any) ===, nil_or_null? nil_or_null?, not_null! not_null!, null? null?, to_nason(io : IO) : Nil
to_nason : String to_nason, to_pretty_json(indent : String = " ") : String
to_pretty_json(io : IO, indent : String = " ") : Nil to_pretty_json

Class methods inherited from class Object

from_nason(string_or_io, root : String)
from_nason(string_or_io) from_nason

Instance Method Detail

def to_json_object_key : String #

[View source]
def to_nason(json : NASON::Builder) : Nil #

[View source]