structuralEquals (Function)

Signature: structuralEquals(a: t0, b: t0) -> bool

Description: Compares two values by their contents, walking both completely, so its cost grows with their size; == deliberately does not do this. Both operands must be one type whose every part has a decided equality — a function, a runtime handle, any or Result anywhere inside is a compile error. NaN stays unequal to itself, including inside a record, list, map or union.

Parameters

• a (t0): The first value
• b (t0): The second value, of the same type

Returns: bool

Example

type Route = { tab: string, depth: int }
let same = structuralEquals(Route { tab: "home", depth: 1 }, Route { tab: "home", depth: 1 })  // true
let differ = structuralEquals([1, 2], [1, 2, 3])  // false

type Route =
    tab : string
    depth : int
let same = structuralEquals(Route
    tab = "home"
    depth = 1, Route
    tab = "home"
    depth = 1)  // true
let differ = structuralEquals([1, 2], [1, 2, 3])  // false