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In Mint, 2 objects are considered equal if they have the same type and all values are equal. The equality operator is ==.

These examples all evaluate to true:

{ name = "Jon Doe", age=27 } == { age=27, name = "Jon Doe" }
Maybe.just("A") == Maybe.just("A")
["A"] == ["A"]

In JavaScript, the same == comparison would return false. We say Mint uses "logical" equality.

In addition to records and enums, the following types use logical equality:

  • String
  • Number
  • Boolean
  • Array
  • FormData
  • Date
  • Maybe
  • Result
  • Map
  • Set
  • SearchParams

Types that have not implemented the logical equality operation fall back to using the JavaScript strict equality operator ===