Make resolve/reject accept multiple values

Closes #4

lib/README.md

@@ -163,13 +163,13 @@ docs:
     - name: resolve
       desc: Creates an immediately resolved Promise with the given value.
       static: true
-      params: "value: T"
-      returns: Promise<T>
+      params: "value: ...any"
+      returns: Promise<...any>
     - name: reject
       desc: Creates an immediately rejected Promise with the given value.
       static: true
-      params: "value: T"
-      returns: Promise<T>
+      params: "value: ...any"
+      returns: Promise<...any>
     - name: all
       desc: |
         Accepts an array of Promises and returns a new promise that:

lib/init.lua

@@ -230,18 +230,20 @@ end
 --[[
 	Create a promise that represents the immediately resolved value.
 ]]
-function Promise.resolve(value)
+function Promise.resolve(...)
+	local length, values = pack(...)
 	return Promise.new(function(resolve)
-		resolve(value)
+		resolve(unpack(values, 1, length))
 	end)
 end
 
 --[[
 	Create a promise that represents the immediately rejected value.
 ]]
-function Promise.reject(value)
+function Promise.reject(...)
+	local length, values = pack(...)
 	return Promise.new(function(_, reject)
-		reject(value)
+		reject(unpack(values, 1, length))
 	end)
 end
 

lib/init.spec.lua

@@ -90,11 +90,12 @@ return function()
 
 	describe("Promise.resolve", function()
 		it("should immediately resolve with a value", function()
-			local promise = Promise.resolve(5)
+			local promise = Promise.resolve(5, 6)
 
 			expect(promise).to.be.ok()
 			expect(promise:getStatus()).to.equal(Promise.Status.Resolved)
 			expect(promise._values[1]).to.equal(5)
+			expect(promise._values[2]).to.equal(6)
 		end)
 
 		it("should chain onto passed promises", function()
@@ -110,11 +111,12 @@ return function()
 
 	describe("Promise.reject", function()
 		it("should immediately reject with a value", function()
-			local promise = Promise.reject(6)
+			local promise = Promise.reject(6, 7)
 
 			expect(promise).to.be.ok()
 			expect(promise:getStatus()).to.equal(Promise.Status.Rejected)
 			expect(promise._values[1]).to.equal(6)
+			expect(promise._values[2]).to.equal(7)
 		end)
 
 		it("should pass a promise as-is as an error", function()