minor improvements

Author: Anton-4

examples/TaskLoop/main.roc

@@ -11,7 +11,8 @@ run : Task {} _
 run =
     Stdout.line! "Enter some numbers on different lines, then press Ctrl-D to sum them up."
 
-    sum = Task.loop! 0 addNumberFromStdin
+    startNum = 0
+    sum = Task.loop! startNum addNumberFromStdin
 
     Stdout.line! "Sum: $(Num.toStr sum)"
 

examples/Tasks/main.roc

@@ -15,11 +15,15 @@ run =
     startTime = Utc.now!
 
     # Read the HELLO environment variable
-    helloEnvVar = 
+    helloEnvVarStateStr = 
         readEnvVar "HELLO"
-        |> Task.map! \msg -> if Str.isEmpty msg then "was empty" else "was set to $(msg)"
+        |> Task.map! \envVarStr ->
+            if Str.isEmpty envVarStr then
+                "HELLO env var was empty."
+            else
+                "HELLO env var was set to $(envVarStr)."
 
-    Stdout.line! "HELLO env var $(helloEnvVar)"
+    Stdout.line! helloEnvVarStateStr
 
     # Read command line arguments
     { url, outputPath } = readArgs!