Use Iterable instead of Array

src/Arc.ts

@@ -393,7 +393,7 @@ export namespace Arc {
 
 	export function divideAtTimes(
 		arc: SimpleSegmentA,
-		times: number[]
+		times: Iterable<number>
 	): VertexA[] {
 		const [, xAxisRotation, , sweep] = arc.args
 		const {radii, center, angles} = toCenterParameterization(arc)

src/CubicBezier.ts

@@ -6,6 +6,7 @@ import {SegmentLocation} from './Location'
 import {VertexC} from './Path'
 import {SegmentC} from './Segment'
 import {memoize, PartialBy} from './utils'
+import {Iter} from './Iter'
 
 /**
  * Almost equivalent to {@link SegmentC}, but the redundant `command` field can be ommited. Used for the argument of CubicBezier functions.
@@ -196,16 +197,13 @@ export namespace CubicBezier {
 
 	export function divideAtTimes(
 		segment: SimpleSegmentC,
-		times: number[]
+		times: Iterable<number>
 	): VertexC[] {
 		times = [0, ...times, 1]
 
 		const vertices: VertexC[] = []
 
-		for (let i = 1; i < times.length; i++) {
-			const from = times[i - 1]
-			const to = times[i]
-
+		for (const [from, to] of Iter.tuple(times)) {
 			const [, c1, c2, point] = trimBetweenTimes(segment, from, to)
 
 			vertices.push({command: 'C', args: [c1, c2], point})

src/Line.ts

@@ -62,7 +62,7 @@ export namespace Line {
 
 	export function divideAtTimes(
 		line: SimpleSegmentL,
-		times: number[]
+		times: Iterable<number>
 	): VertexL[] {
 		return [...times, 1].map(t => {
 			return {point: vec2.lerp(line.start, line.point, t), command: 'L'}