Various other fixes

src/spectator/matchers/have_matcher.cr

@@ -6,27 +6,25 @@ module Spectator::Matchers
   # Otherwise, it expects an `Enumerable` and iterates over each item until === is true.
   struct HaveMatcher(ExpectedType) < ValueMatcher(ExpectedType)
     private def match?(actual)
-      actual_value = actual.value
-      if actual_value.is_a?(String)
-        match_string(actual_value)
+      if (value = actual.value).is_a?(String)
+        match_string?(value)
       else
-        match_enumerable(actual_value)
+        match_enumerable?(value)
       end
     end
 
     # Checks if a `String` matches the expected values.
     # The `includes?` method is used for this check.
-    private def match_string?(actual_value)
+    private def match_string?(value)
       expected.value.all? do |item|
-        actual_value.includes?(item)
-        actual_value.includes?(item) if item.is_a?(Char | String)
+        value.includes?(item) if item.is_a?(Char | String)
       end
     end
 
     # Checks if an `Enumerable` matches the expected values.
     # The `===` operator is used on every item.
-    private def match_enumerable?(actual_value)
-      array = actual_value.to_a
+    private def match_enumerable?(value)
+      array = value.to_a
       expected.value.all? do |item|
         array.any? do |element|
           item === element

src/spectator/matchers/standard_matcher.cr

@@ -44,7 +44,7 @@ module Spectator::Matchers
       if match?(actual)
         SuccessfulMatchData.new
       else
-        FailedMatchData.new(failure_message(actual), values(actual))
+        FailedMatchData.new(failure_message(actual), **values(actual))
       end
     end
 
@@ -52,7 +52,7 @@ module Spectator::Matchers
       if does_not_match?(actual)
         SuccessfulMatchData.new
       else
-        FailedMatchData.new(failure_message_when_negated(actual), negated_values(actual))
+        FailedMatchData.new(failure_message_when_negated(actual), **negated_values(actual))
       end
     end
   end

src/spectator/matchers/start_with_matcher.cr

@@ -33,8 +33,6 @@ module Spectator::Matchers
       end
     end
 
-    private def match_last(actual)
-      list = actual.value.to_a
     private def match_first(value, actual)
       first = list.first