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/Crystal 0.31

module Time::EpochMillisConverter

Overview

Converter to be used with JSON.mapping and YAML.mapping to serialize a Time instance as the number of milliseconds since the unix epoch. See Time#to_unix_ms.

require "json"

class Timestamp
  JSON.mapping({
    value: {type: Time, converter: Time::EpochMillisConverter},
  })
end

timestamp = Timestamp.from_json(%({"value": 1459860483856}))
timestamp.value   # => 2016-04-05 12:48:03.856 UTC
timestamp.to_json # => %({"value":1459860483856})

Defined in:

json/from_json.cr
json/to_json.cr
yaml/from_yaml.cr
yaml/to_yaml.cr

Class Method Summary

Class Method Detail

def self.from_json(value : JSON::PullParser) : TimeSource

def self.from_yaml(ctx : YAML::ParseContext, node : YAML::Nodes::Node) : TimeSource

def self.to_json(value : Time, json : JSON::Builder)Source

def self.to_yaml(value : Time, yaml : YAML::Nodes::Builder)Source

© 2012–2019 Manas Technology Solutions.
Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/0.31.1/Time/EpochMillisConverter.html