23 lines
784 B
Fennel
23 lines
784 B
Fennel
;; thanks:
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;; https://gist.github.com/sapphyrus/fd9aeb871e3ce966cc4b0b969f62f539
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;; and antifennel
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(fn deep-equals [o1 o2 ignore-mt]
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(when (= o1 o2) (lua "return true"))
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(local o1-type (type o1))
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(local o2-type (type o2))
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(when (not= o1-type o2-type) (lua "return false"))
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(when (not= o1-type :table) (lua "return false"))
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(when (not ignore-mt)
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(local mt1 (getmetatable o1))
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(when (and mt1 mt1.__eq)
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(let [___antifnl_rtn_1___ (= o1 o2)] (lua "return ___antifnl_rtn_1___"))))
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(each [key1 value1 (pairs o1)]
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(local value2 (. o2 key1))
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(when (or (= value2 nil) (= (deep-equals value1 value2 ignore-mt) false))
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(lua "return false")))
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(each [key2 _ (pairs o2)]
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(when (= (. o1 key2) nil) (lua "return false")))
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true)
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{:equal deep-equals}
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