=== tests/cases/conformance/expressions/typeGuards/typeGuardOfFormTypeOfString.ts ===
class C { private p: string };
>C : C
>p : string

var str: string;
>str : string

var bool: boolean;
>bool : boolean

var num: number;
>num : number

var strOrNum: string | number;
>strOrNum : string | number

var strOrBool: string | boolean;
>strOrBool : string | boolean

var numOrBool: number | boolean
>numOrBool : number | boolean

var strOrNumOrBool: string | number | boolean;
>strOrNumOrBool : string | number | boolean

var strOrC: string | C;
>strOrC : string | C
>C : C

var numOrC: number | C;
>numOrC : number | C
>C : C

var boolOrC: boolean | C;
>boolOrC : boolean | C
>C : C

var c: C;
>c : C
>C : C

//	A type guard of the form typeof x === s, 
//  where s is a string literal with the value 'string', 'number', or 'boolean',
//  - when true, narrows the type of x to the given primitive type, or
//  - when false, removes the primitive type from the type of x.
if (typeof strOrNum === "string") {
>typeof strOrNum === "string" : boolean
>typeof strOrNum : string
>strOrNum : string | number
>"string" : string

    str = strOrNum; // string
>str = strOrNum : string
>str : string
>strOrNum : string
}
else {
    num === strOrNum; // number
>num === strOrNum : boolean
>num : number
>strOrNum : number
}
if (typeof strOrBool === "string") {
>typeof strOrBool === "string" : boolean
>typeof strOrBool : string
>strOrBool : string | boolean
>"string" : string

    str = strOrBool; // string
>str = strOrBool : string
>str : string
>strOrBool : string
}
else {
    bool = strOrBool; // boolean
>bool = strOrBool : boolean
>bool : boolean
>strOrBool : boolean
}
if (typeof strOrNumOrBool === "string") {
>typeof strOrNumOrBool === "string" : boolean
>typeof strOrNumOrBool : string
>strOrNumOrBool : string | number | boolean
>"string" : string

    str = strOrNumOrBool; // string
>str = strOrNumOrBool : string
>str : string
>strOrNumOrBool : string
}
else {
    numOrBool = strOrNumOrBool; // number | boolean
>numOrBool = strOrNumOrBool : number | boolean
>numOrBool : number | boolean
>strOrNumOrBool : number | boolean
}
if (typeof strOrC === "string") {
>typeof strOrC === "string" : boolean
>typeof strOrC : string
>strOrC : string | C
>"string" : string

    str = strOrC; // string
>str = strOrC : string
>str : string
>strOrC : string
}
else {
    c = strOrC; // C
>c = strOrC : C
>c : C
>strOrC : C
}

// Narrowing occurs only if target type is a subtype of variable type
if (typeof numOrBool === "string") {
>typeof numOrBool === "string" : boolean
>typeof numOrBool : string
>numOrBool : number | boolean
>"string" : string

    var x1: number | boolean = numOrBool; // number | boolean
>x1 : number | boolean
>numOrBool : number | boolean
}
else {
    var x2: number | boolean = numOrBool; // number | boolean
>x2 : number | boolean
>numOrBool : number | boolean
}

// A type guard of the form typeof x !== s, where s is a string literal,
//  - when true, narrows the type of x by typeof x === s when false, or
//  - when false, narrows the type of x by typeof x === s when true.
if (typeof strOrNum !== "string") {
>typeof strOrNum !== "string" : boolean
>typeof strOrNum : string
>strOrNum : string | number
>"string" : string

    num === strOrNum; // number
>num === strOrNum : boolean
>num : number
>strOrNum : number
}
else {
    str = strOrNum; // string
>str = strOrNum : string
>str : string
>strOrNum : string
}
if (typeof strOrBool !== "string") {
>typeof strOrBool !== "string" : boolean
>typeof strOrBool : string
>strOrBool : string | boolean
>"string" : string

    bool = strOrBool; // boolean
>bool = strOrBool : boolean
>bool : boolean
>strOrBool : boolean
}
else {
    str = strOrBool; // string
>str = strOrBool : string
>str : string
>strOrBool : string
}
if (typeof strOrNumOrBool !== "string") {
>typeof strOrNumOrBool !== "string" : boolean
>typeof strOrNumOrBool : string
>strOrNumOrBool : string | number | boolean
>"string" : string

    numOrBool = strOrNumOrBool; // number | boolean
>numOrBool = strOrNumOrBool : number | boolean
>numOrBool : number | boolean
>strOrNumOrBool : number | boolean
}
else {
    str = strOrNumOrBool; // string
>str = strOrNumOrBool : string
>str : string
>strOrNumOrBool : string
}
if (typeof strOrC !== "string") {
>typeof strOrC !== "string" : boolean
>typeof strOrC : string
>strOrC : string | C
>"string" : string

    c = strOrC; // C
>c = strOrC : C
>c : C
>strOrC : C
}
else {
    str = strOrC; // string
>str = strOrC : string
>str : string
>strOrC : string
}

// Narrowing occurs only if target type is a subtype of variable type
if (typeof numOrBool !== "string") {
>typeof numOrBool !== "string" : boolean
>typeof numOrBool : string
>numOrBool : number | boolean
>"string" : string

    var x1: number | boolean = numOrBool; // number | boolean
>x1 : number | boolean
>numOrBool : number | boolean
}
else {
    var x2: number | boolean = numOrBool; // number | boolean
>x2 : number | boolean
>numOrBool : number | boolean
}