feat(Intl.PluralRules): strongly typed options

Author: glennsl

src/intl/Core__Intl__PluralRules.res

@@ -1,18 +1,41 @@
 type t
 
+type options = {
+  localeMathcer?: [#lookup | #"best fit"],
+  @as("type") type_?: [#cardinal | #ordinal],
+  roundingMode?: [
+    | #ceil
+    | #floot
+    | #expand
+    | #trunc
+    | #halfCeil
+    | #halfFloor
+    | #haldExpand
+    | #halfTrunc
+    | #halfEven
+  ],
+  roundingPriority?: [#auto | #morePrecision | #lessPrecision],
+  roundingIncrement?: int,
+  minimumIntegerDigits?: int,
+  minimumFractionDigits?: int,
+  maximumFractionDigits?: int,
+  minimumSignificantDigits?: int,
+  maximumSignificantDigits?: int,
+}
+
 @new external make: unit => t = "Intl.PluralRules"
 @new external makeWithLocale: string => t = "Intl.PluralRules"
 @new external makeWithLocales: array<string> => t = "Intl.PluralRules"
-@new external makeWithLocaleAndOptions: (string, {..}) => t = "Intl.PluralRules"
-@new external makeWithLocalesAndOptions: (array<string>, {..}) => t = "Intl.PluralRules"
-@new external makeWithOptions: (@as(json`undefined`) _, {..}) => t = "Intl.PluralRules"
+@new external makeWithLocaleAndOptions: (string, options) => t = "Intl.PluralRules"
+@new external makeWithLocalesAndOptions: (array<string>, options) => t = "Intl.PluralRules"
+@new external makeWithOptions: (@as(json`undefined`) _, options) => t = "Intl.PluralRules"
 
 @val external supportedLocalesOf: array<string> => t = "Intl.PluralRules.supportedLocalesOf"
 @val
-external supportedLocalesOfWithOptions: (array<string>, {..}) => t =
+external supportedLocalesOfWithOptions: (array<string>, options) => t =
   "Intl.PluralRules.supportedLocalesOf"
 
-@send external resolvedOptions: t => {..} = "resolvedOptions"
+@send external resolvedOptions: t => options = "resolvedOptions"
 
 type rule = [#zero | #one | #two | #few | #many | #other]