Converter to be used with YAML::Serializable
to serialize the Array(T)
elements with the custom converter.
require "yaml" class Timestamp include YAML::Serializable @[YAML::Field(converter: YAML::ArrayConverter(Time::EpochConverter))] values : Array(Time) end timestamp = Timestamp.from_yaml(%({"values":[1459859781,1567628762]})) timestamp.values # => [2016-04-05 12:36:21 UTC, 2019-09-04 20:26:02 UTC] timestamp.to_yaml # => ---\nvalues:\n- 1459859781\n- 1567628762\n
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https://crystal-lang.org/api/0.35.1/YAML/ArrayConverter.html