Converter to be used with JSON::Serializable
to serialize the Hash(K, V)
values elements with the custom converter.
require "json" class TimestampHash include JSON::Serializable @[JSON::Field(converter: JSON::HashValueConverter(Time::EpochConverter))] birthdays : Hash(String, Time) end timestamp = TimestampHash.from_json(%({"birthdays":{"foo":1459859781,"bar":1567628762}})) timestamp.birthdays # => {"foo" => 2016-04-05 12:36:21 UTC, "bar" => 2019-09-04 20:26:02 UTC)} timestamp.to_json # => {"birthdays":{"foo":1459859781,"bar":1567628762}}
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Licensed under the Apache License, Version 2.0.
https://crystal-lang.org/api/0.35.1/JSON/HashValueConverter.html