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bcardiff/slice-to-json.cr

Last active January 17, 2017 14:15
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slice-to-json.cr
require "json"
struct Slice(T)
def to_json(json : JSON::Builder)
json.array do
each do |e|
e.to_json(json)
end
end
end
end
empty = Slice(UInt8).empty
foo = Slice[1, 2, 3]
puts empty.to_json # => []
puts foo.to_json # => [1,2,3]
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