init

.formatter.exs

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+# Used by "mix format"
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.gitignore

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+# The directory Mix will write compiled artifacts to.
+/_build/
+
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where third-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+ice_cream-*.tar
+
+# Temporary files, for example, from tests.
+/tmp/

LICENSE.txt

@@ -0,0 +1,18 @@
+Copyright 2021 Joseph Lozano
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# IceCream
+
+**TODO: Add description**
+
+## Installation
+
+If [available in Hex](https://hex.pm/docs/publish), the package can be installed
+by adding `ice_cream` to your list of dependencies in `mix.exs`:
+
+```elixir
+def deps do
+  [
+    {:ice_cream, "~> 0.1.0"}
+  ]
+end
+```
+
+Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
+and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
+be found at [https://hexdocs.pm/ice_cream](https://hexdocs.pm/ice_cream).
+

lib/ice_cream.ex

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+defmodule IceCream do
+  defguardp is_primitive(term)
+            when is_atom(term) or is_binary(term) or is_number(term) or is_pid(term) or
+                   is_list(term) or is_map(term)
+
+  defmacro(ic(term)) do
+    label =
+      case term do
+        {label, _, _} -> label
+        other when is_primitive(other) -> ""
+        other -> raise "Did not expect #{inspect(other)}"
+      end
+      |> to_string()
+
+    quote do
+      IO.inspect(unquote(term), label: "ic|" <> unquote(label))
+    end
+  end
+
+  defmacro __using__(_opts) do
+    quote do
+      require IceCream
+      import IceCream, only: [ic: 1]
+    end
+  end
+end

mix.exs

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+defmodule IceCream.MixProject do
+  use Mix.Project
+
+  def project do
+    [
+      name: "Ice Cream",
+      app: :ice_cream,
+      version: "0.0.1",
+      elixir: "~> 1.11",
+      start_permanent: Mix.env() == :prod,
+      deps: deps(),
+      description: "Elixir port of IceCreame (python pacakge)",
+      source_url: "https://github.com/joseph-lozano/ice_cream",
+      package: package()
+    ]
+  end
+
+  defp package() do
+    [
+      licenses: ["MIT"],
+      links: %{"GitHub" => "https://github.com/joseph-lozano/ice_cream"}
+    ]
+  end
+
+  # Run "mix help compile.app" to learn about applications.
+  def application do
+    [
+      extra_applications: [:logger]
+    ]
+  end
+
+  # Run "mix help deps" to learn about dependencies.
+  defp deps do
+    [
+      {:ex_doc, ">= 0.0.0", only: :dev, runtime: false}
+    ]
+  end
+end

mix.lock

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+%{
+  "earmark_parser": {:hex, :earmark_parser, "1.4.12", "b245e875ec0a311a342320da0551da407d9d2b65d98f7a9597ae078615af3449", [:mix], [], "hexpm", "711e2cc4d64abb7d566d43f54b78f7dc129308a63bc103fbd88550d2174b3160"},
+  "ex_doc": {:hex, :ex_doc, "0.24.1", "15673de99154f93ca7f05900e4e4155ced1ee0cd34e0caeee567900a616871a4", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "07972f17bdf7dc7b5bd76ec97b556b26178ed3f056e7ec9288eb7cea7f91cce2"},
+  "makeup": {:hex, :makeup, "1.0.5", "d5a830bc42c9800ce07dd97fa94669dfb93d3bf5fcf6ea7a0c67b2e0e4a7f26c", [:mix], [{:nimble_parsec, "~> 0.5 or ~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cfa158c02d3f5c0c665d0af11512fed3fba0144cf1aadee0f2ce17747fba2ca9"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.15.1", "b5888c880d17d1cc3e598f05cdb5b5a91b7b17ac4eaf5f297cb697663a1094dd", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.1", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "db68c173234b07ab2a07f645a5acdc117b9f99d69ebf521821d89690ae6c6ec8"},
+  "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"},
+  "nimble_parsec": {:hex, :nimble_parsec, "1.1.0", "3a6fca1550363552e54c216debb6a9e95bd8d32348938e13de5eda962c0d7f89", [:mix], [], "hexpm", "08eb32d66b706e913ff748f11694b17981c0b04a33ef470e33e11b3d3ac8f54b"},
+}

test/ice_cream_test.exs

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+defmodule IceCreamTest do
+  use ExUnit.Case
+  use IceCream
+
+  import ExUnit.CaptureIO
+
+  test "IceCream" do
+    foo = 1234
+
+    assert io_out =
+             capture_io(:stdio, fn ->
+               assert ic(foo) == foo
+             end)
+
+    assert io_out == "ic|foo: #{foo}\n"
+  end
+end

test/test_helper.exs

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+ExUnit.start()