Created
October 7, 2016 10:45
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pattern matching
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| iex(10)> m = %{a: 1} | |
| %{a: 1} | |
| iex(11)> %{a: 1} = %{a: 1, b: 2} | |
| %{a: 1, b: 2} | |
| iex(12)> ^m = %{a: 1, b: 2} | |
| ** (MatchError) no match of right hand side value: %{a: 1, b: 2} |
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