import { assertEquals } from "jsr:@std/assert"
type Vec1 = [number]
type Vec2 = [number, number]
type Vec3 = [number, number, number]
const now_i_know_my = {
a: [1] as Vec1,
b: [2, 2] as Vec2,
c: [9, 4, 5] as Vec3,
s: ["nein" as string, "mein", "fuhrer"] as const
}
const now_i_know_my_fuhrer = recordArgsMap({
a: (v0) => v0 ** 2,
b: (...vs) => vs[0] + vs[1] ** 2,
c: (v0, v1, v2) => v0 ** 0.5 + v1 + v2 ** 2,
s: (arg0, ...args) => [arg0 === "nein" ? 9 : arg0, ...args] as const,
}, now_i_know_my)
now_i_know_my_fuhrer satisfies ({
a: number, b: number, c: number,
s: readonly [string | 9, "mein", "fuhrer"],
})
assertEquals(now_i_know_my_fuhrer, { a: 1, b: 6, c: 32, s: [9, "mein", "fuhrer"] })
similar to recordMap, but made for variable number of function argument parameters. also see RecordArgsMapper to get an understanding of what
mapping_funcsis supposed to look like, and how to type it.