describe "attrib", ->
	it "should support const attribute", ->
		do
			const x = 10
			assert.same x, 10

	it "should support const with multiple variables", ->
		do
			const a, b, c = 1, 2, 3
			assert.same a, 1
			assert.same b, 2
			assert.same c, 3

	it "should support close attribute", ->
		-- close attribute for to-be-closed variables
		do
			close x = <close>: ->
			assert.same "table", type x

	it "should work with destructuring", ->
		do
			const :a, :b = {a: 1, b: 2}
			assert.same a, 1
			assert.same b, 2

	it "should work in conditional", ->
		do
			flag = true
			const x = 5 if flag
			assert.same x, 5

	it "should work with switch", ->
		do
			const y = switch 2
				when 2 then 100
				else 0
			assert.same y, 100

	it "should work with table literals", ->
		do
			const [a, b] = [1, 2]
			assert.same a, 1
			assert.same b, 2

	it "should support close in expressions", ->
		do
			close result = if true
				value: 42, <close>: ->
			else
				value: 0, <close>: ->
			assert.same result.value, 42