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//// [deleteExpressionMustBeOptional.ts]
interface Foo {
a: number
b: number | undefined
c: number | null
d?: number
e: number | undefined | null
f?: number | undefined | null
g: unknown
h: any
i: never
}
interface AA {
[s: string]: number
}
type BB = {
[P in keyof any]: number
}
declare const f: Foo
declare const a: AA
declare const b: BB
delete f.a
delete f.b
delete f.c
delete f.d
delete f.e
delete f.f
delete f.g
delete f.h
delete f.i
delete f.j
delete a.a
delete a.b
delete b.a
delete b.b
//// [deleteExpressionMustBeOptional.js]
"use strict";
delete f.a;
delete f.b;
delete f.c;
delete f.d;
delete f.e;
delete f.f;
delete f.g;
delete f.h;
delete f.i;
delete f.j;
delete a.a;
delete a.b;
delete b.a;
delete b.b;
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