improve argument creation, improve fallback command

src/commonMain/kotlin/com/infendro/cli/command/Option.kt

@@ -33,6 +33,10 @@ sealed class Option<T : Any>(
 
         override val required: Boolean
             get() = true
+
+        fun orElse(other: T) = OrElse(parser, fallback, names, other)
+        fun orNull() = OrNull(parser, fallback, names)
+        fun variable() = Variable(parser, fallback, names)
     }
 
     class OrElse<T : Any>(
@@ -83,97 +87,25 @@ sealed class Option<T : Any>(
         fun string(vararg names: String) =
             Required(StringParser, names.asList())
 
-        fun stringOrElse(vararg names: String, other: String) =
-            OrElse(StringParser, names.asList(), other)
-
-        fun stringOrNull(vararg names: String) =
-            OrNull(StringParser, names.asList())
-
-        fun strings(vararg names: String) =
-            Variable(StringParser, names.asList())
-
         fun int(vararg names: String) =
             Required(IntParser, names.asList())
 
-        fun intOrElse(vararg names: String, other: Int) =
-            OrElse(IntParser, names.asList(), other)
-
-        fun intOrNull(vararg names: String) =
-            OrNull(IntParser, names.asList())
-
-        fun ints(vararg names: String) =
-            Variable(IntParser, names.asList())
-
         fun long(vararg names: String) =
             Required(LongParser, names.asList())
 
-        fun longOrElse(vararg names: String, other: Long) =
-            OrElse(LongParser, names.asList(), other)
-
-        fun longOrNull(vararg names: String) =
-            OrNull(LongParser, names.asList())
-
-        fun longs(vararg names: String) =
-            Variable(LongParser, names.asList())
-
         fun float(vararg names: String) =
             Required(FloatParser, names.asList())
 
-        fun floatOrElse(vararg names: String, other: Float) =
-            OrElse(FloatParser, names.asList(), other)
-
-        fun floatOrNull(vararg names: String) =
-            OrNull(FloatParser, names.asList())
-
-        fun floats(vararg names: String) =
-            Variable(FloatParser, names.asList())
-
         fun double(vararg names: String) =
             Required(DoubleParser, names.asList())
 
-        fun doubleOrElse(vararg names: String, other: Double) =
-            OrElse(DoubleParser, names.asList(), other)
-
-        fun doubleOrNull(vararg names: String) =
-            OrNull(DoubleParser, names.asList())
-
-        fun doubles(vararg names: String) =
-            Variable(DoubleParser, names.asList())
-
         fun boolean(vararg names: String) =
             Required(BooleanParser, true, names.asList())
 
-        fun booleanOrElse(vararg names: String, other: Boolean) =
-            OrElse(BooleanParser, true, names.asList(), other)
-
-        fun booleanOrNull(vararg names: String) =
-            OrNull(BooleanParser, true, names.asList())
-
-        fun booleans(vararg names: String) =
-            Variable(BooleanParser, true, names.asList())
-
         inline fun <reified T : Enum<T>> enum(vararg names: String) =
             Required(enumParser<T>(), names.asList())
 
-        inline fun <reified T : Enum<T>> enumOrElse(vararg names: String, other: T) =
-            OrElse(enumParser<T>(), names.asList(), other)
-
-        inline fun <reified T : Enum<T>> enumOrNull(vararg names: String) =
-            OrNull(enumParser<T>(), names.asList())
-
-        inline fun <reified T : Enum<T>> enums(vararg names: String) =
-            Variable(enumParser<T>(), names.asList())
-
         fun regex(vararg names: String) =
             Required(RegexParser, names.asList())
-
-        fun regexOrElse(vararg names: String, other: Regex) =
-            OrElse(RegexParser, names.asList(), other)
-
-        fun regexOrNull(vararg names: String) =
-            OrNull(RegexParser, names.asList())
-
-        fun regexs(vararg names: String) =
-            Variable(RegexParser, names.asList())
     }
 }