fix: validate schema at compile time

chore: more benchmarks

benchmarks/options.exs

@@ -13,20 +13,57 @@ schema = [
   ]
 ]
 
+new_schema = Spark.Options.new!(schema)
+
 defmodule MySchema do
   use Spark.Options.Validator, schema: schema
 end
 
 # prime
 Spark.Options.validate!([foo: "foo", bar: "bar", baz: 20], schema)
+Spark.Options.validate!([foo: "foo", bar: "bar", baz: 20], new_schema)
 MySchema.validate!([foo: "foo", bar: "bar", baz: 20])
 
 Benchee.run(
   %{
     "existing" => fn ->
-      Spark.Options.validate!([foo: "foo", bar: "bar", baz: 20], schema)
+      options = Spark.Options.validate!([foo: "foo", bar: "bar", baz: 20], schema)
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
+    end,
+    "existing with built schema" => fn ->
+      options = Spark.Options.validate!([foo: "foo", bar: "bar", baz: 20], new_schema)
+
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
     end,
     "validator" => fn ->
-      MySchema.validate!([foo: "foo", bar: "bar", baz: 20]) |> MySchema.to_options()
+      %MySchema{} = options = MySchema.validate!([foo: "foo", bar: "bar", baz: 20])
+      _foo = options.foo
+      _bar = options.bar
+      _foo = options.foo
+      _bar = options.bar
+      _foo = options.foo
+      _bar = options.bar
+    end,
+    "validator to options" => fn ->
+      options = MySchema.validate!([foo: "foo", bar: "bar", baz: 20]) |> MySchema.to_options()
+
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
+      _foo = options[:foo]
+      _bar = options[:bar]
     end
 })

lib/spark/options/validator.ex

@@ -53,6 +53,7 @@ defmodule Spark.Options.Validator do
 
     [
       quote bind_quoted: [schema: schema, define_deprecated_access?: define_deprecated_access?] do
+        schema = Spark.Options.new!(schema).schema
         @schema Keyword.new(schema)
 
         struct_fields =