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How to override Kernel functionality on Elixir
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| defmodule MyKernel do | |
| def a + b, do: a * b | |
| end | |
| defmodule UsingIt do | |
| import Kernel, except: [+: 2] | |
| import MyKernel | |
| def foo, do: IO.puts("Result is #{1 + 2}") | |
| end |
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| $ iex -r override_kernel.exs | |
| Erlang/OTP 20 [erts-9.1.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false] [dtrace] | |
| Interactive Elixir (1.5.2) - press Ctrl+C to exit (type h() ENTER for help) | |
| iex(1)> UsingIt.foo() | |
| Result is 2 | |
| :ok | |
| iex(2)> |
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