Drop support for Elixir versions older than 1.5

Author: lexmag

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
       matrix:
         versions:
           - otp: 18.3
-            elixir: 1.4
+            elixir: 1.5
           - otp: 21.3
             elixir: 1.8
 

mix.exs

@@ -9,7 +9,7 @@ defmodule Rollbax.Mixfile do
     [
       app: :rollbax,
       version: @version,
-      elixir: "~> 1.4",
+      elixir: "~> 1.5",
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,
       description: "Exception tracking and logging from Elixir to Rollbar",

pages/Using Rollbax in Plug-based applications.md

@@ -79,11 +79,11 @@ defp normalize_params(%Plug.Conn.Unfetched{aspect: :params}) do
 end
 
 defp normalize_params(%{} = map) do
-  Enum.into(map, %{}, fn {k, v} ->
-    if is_binary(k) and String.contains?(k, ["password"]) do
-      {k, "[FILTERED]"}
+  Enum.into(map, %{}, fn {key, value} ->
+    if is_binary(key) and String.contains?(key, ["password"]) do
+      {key, "[FILTERED]"}
     else
-      {k, normalize_params(v)}
+      {key, normalize_params(value)}
     end
   end)
 end