Function assert

src/gfx/platform/GfxPlatformUtil.ts:4–9

(b: boolean, message: string = "")

// Copied from toplevel util.ts

export function assert(b: boolean, message: string = ""): asserts b {
    if (!b) {
        console.error(new Error().stack);
        throw new Error(`Assert fail: ${message}`);
    }
}

export function assertExists<T>(v: T | null | undefined): T {
    if (v !== undefined && v !== null)