correct the code in some of the examples

examples/basic.rb

@@ -2,16 +2,18 @@
 
 require "dry-validation"
 
-schema = Dry::Validation.Schema do
-  required(:email).filled
+contract = Class.new(Dry::Validation::Contract) do
+  schema do
+    required(:email).filled
 
-  required(:age).filled(:int?, gt?: 18)
-end
+    required(:age).filled(:int?, gt?: 18)
+  end
+end.new
 
-errors = schema.call(email: "jane@doe.org", age: 19).messages
+errors = contract.call(email: "jane@doe.org", age: 19)
 
 puts errors.inspect
 
-errors = schema.call(email: nil, age: 19).messages
+errors = contract.call(email: nil, age: 19)
 
 puts errors.inspect

examples/each.rb

@@ -3,14 +3,16 @@
 require "byebug"
 require "dry-validation"
 
-schema = Dry::Validation.Schema do
-  key(:phone_numbers).each(:str?)
-end
+contract = Class.new(Dry::Validation::Contract) do
+  schema do
+    required(:phone_numbers).value(:array).each(:string)
+  end
+end.new
 
-errors = schema.call(phone_numbers: "").messages
+errors = contract.call(phone_numbers: "")
 
 puts errors.inspect
 
-errors = schema.call(phone_numbers: ["123456789", 123_456_789]).messages
+errors = contract.call(phone_numbers: ["123456789", 123_456_789])
 
 puts errors.inspect

examples/multiple.rb

@@ -2,29 +2,34 @@
 
 require "dry-validation"
 
-schema = Dry::Validation.Schema do
-  configure do
-    def self.messages
-      super.merge(en: {
+
+contract = Class.new(Dry::Validation::Contract) do
+  schema do
+    required(:email).filled
+  end
+
+  def self.messages
+    super.merge(en: {
+                  dry_validation: {
                     errors: {
-                      john_email?: "%{value} is not a john email",
-                      example_email?: "%{value} is not a example email"
+                      rules: {
+                        email: {
+                          john?: "%{value} is not a john email",
+                          example?: "%{value} is not an example email"
+                        }
+                      }
                     }
-                  })
-    end
+                  }
+                })
   end
 
-  required(:email).filled
+  rule(:email) do
+    key.failure(:example?, value: value) unless value.end_with?("@example.com")
 
-  validate(example_email?: :email) do |value|
-    value.end_with?("@example.com")
+    key.failure(:john?, value: value) unless value.start_with?("john")
   end
+end.new
 
-  validate(john_email?: :email) do |value|
-    value.start_with?("john")
-  end
-end
+result = contract.call(email: "jane@doe.org")
 
-errors = schema.call(email: "jane@doe.org").messages
-
-puts errors.inspect
+puts result.inspect

examples/nested.rb

@@ -2,23 +2,25 @@
 
 require "dry-validation"
 
-schema = Dry::Validation.Schema do
-  required(:address).schema do
-    required(:city).filled(min_size?: 3)
+contract = Class.new(Dry::Validation::Contract) do
+  schema do
+    required(:address).schema do
+      required(:city).filled(min_size?: 3)
 
-    required(:street).filled
+      required(:street).filled
 
-    required(:country).schema do
-      required(:name).filled
-      required(:code).filled
+      required(:country).schema do
+        required(:name).filled
+        required(:code).filled
+      end
     end
   end
-end
+end.new
 
-errors = schema.call({}).messages
+errors = contract.call({})
 
 puts errors.inspect
 
-errors = schema.call(address: {city: "NYC"}).messages
+errors = contract.call(address: {city: "NYC"})
 
 puts errors.inspect