Fix warnings about positional parameter mismatch (#20)

behavioral/interpreter.cr

@@ -60,7 +60,7 @@ abstract class Evaluator
 end
 
 class TerminalExpression < Evaluator
-  def evaluate(_press)
+  def evaluate(press)
     if special_move
       context.moves << special_move.as(Move)
     else

behavioral/mediator.cr

@@ -52,12 +52,12 @@ class Match < MediatorBase
     end
   end
 
-  def perform_move(move, fighter)
-    if can_perform_move?(move, fighter)
-      if (fighter == player1)
-        player2.as(Fighter).receive(move, fighter)
-      elsif (fighter == player2)
-        player1.as(Fighter).receive(move, fighter)
+  def perform_move(move, performer)
+    if can_perform_move?(move, performer)
+      if (performer == player1)
+        player2.as(Fighter).receive(move, performer)
+      elsif (performer == player2)
+        player1.as(Fighter).receive(move, performer)
       end
     else
       puts "Ignoring move"

behavioral/strategy.cr

@@ -35,19 +35,19 @@ abstract class FightStrategy
 end
 
 class Puncher < FightStrategy
-  def attack(ft, op)
-    puts "#{ft.name} attacks #{op.name} with 1 punch."
-    op.damage(HITS[:punch])
+  def attack(fighter, opponent)
+    puts "#{fighter.name} attacks #{opponent.name} with 1 punch."
+    opponent.damage(HITS[:punch])
   end
 end
 
 class Combo < FightStrategy
-  def attack(ft, op)
-    puts "#{ft.name} attacks #{op.name} with 2 kicks and 1 punch."
+  def attack(fighter, opponent)
+    puts "#{fighter.name} attacks #{opponent.name} with 2 kicks and 1 punch."
 
-    op.damage(HITS[:kick])
-    op.damage(HITS[:kick])
-    op.damage(HITS[:punch])
+    opponent.damage(HITS[:kick])
+    opponent.damage(HITS[:kick])
+    opponent.damage(HITS[:punch])
   end
 end
 

structural/flyweight.cr

@@ -23,8 +23,7 @@ class Tree < FlyweightTree
     @pos = {0, 0}
   end
 
-  def draw_at(_pos : Position)
-    pos = _pos
+  def draw_at(pos : Position)
     puts "Drawing #{@species} at #{pos}"
   end
 end