=== tests/cases/conformance/expressions/typeGuards/typeGuardOfFormTypeOfNumber.ts ===
class C { private p: string };
>C : C, Symbol(C, Decl(typeGuardOfFormTypeOfNumber.ts, 0, 0))
>p : string, Symbol(p, Decl(typeGuardOfFormTypeOfNumber.ts, 0, 9))

var str: string;
>str : string, Symbol(str, Decl(typeGuardOfFormTypeOfNumber.ts, 2, 3))

var bool: boolean;
>bool : boolean, Symbol(bool, Decl(typeGuardOfFormTypeOfNumber.ts, 3, 3))

var num: number;
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))

var strOrNum: string | number;
>strOrNum : string | number, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))

var strOrBool: string | boolean;
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))

var numOrBool: number | boolean
>numOrBool : number | boolean, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))

var strOrNumOrBool: string | number | boolean;
>strOrNumOrBool : string | number | boolean, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))

var strOrC: string | C;
>strOrC : string | C, Symbol(strOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 9, 3))
>C : C, Symbol(C, Decl(typeGuardOfFormTypeOfNumber.ts, 0, 0))

var numOrC: number | C;
>numOrC : number | C, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
>C : C, Symbol(C, Decl(typeGuardOfFormTypeOfNumber.ts, 0, 0))

var boolOrC: boolean | C;
>boolOrC : boolean | C, Symbol(boolOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 11, 3))
>C : C, Symbol(C, Decl(typeGuardOfFormTypeOfNumber.ts, 0, 0))

var c: C;
>c : C, Symbol(c, Decl(typeGuardOfFormTypeOfNumber.ts, 12, 3))
>C : C, Symbol(C, Decl(typeGuardOfFormTypeOfNumber.ts, 0, 0))

//	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 === "number") {
>typeof strOrNum === "number" : boolean
>typeof strOrNum : string
>strOrNum : string | number, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))
>"number" : string

    num = strOrNum; // number
>num = strOrNum : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>strOrNum : number, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))
}
else {
    str === strOrNum; // string
>str === strOrNum : boolean
>str : string, Symbol(str, Decl(typeGuardOfFormTypeOfNumber.ts, 2, 3))
>strOrNum : string, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))
}
if (typeof numOrBool === "number") {
>typeof numOrBool === "number" : boolean
>typeof numOrBool : string
>numOrBool : number | boolean, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))
>"number" : string

    num = numOrBool; // number
>num = numOrBool : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>numOrBool : number, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))
}
else {
    var x: number | boolean = numOrBool; // number | boolean
>x : number | boolean, Symbol(x, Decl(typeGuardOfFormTypeOfNumber.ts, 28, 7), Decl(typeGuardOfFormTypeOfNumber.ts, 61, 7))
>numOrBool : boolean, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))
}
if (typeof strOrNumOrBool === "number") {
>typeof strOrNumOrBool === "number" : boolean
>typeof strOrNumOrBool : string
>strOrNumOrBool : string | number | boolean, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))
>"number" : string

    num = strOrNumOrBool; // number
>num = strOrNumOrBool : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>strOrNumOrBool : number, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))
}
else {
    strOrBool = strOrNumOrBool; // string | boolean
>strOrBool = strOrNumOrBool : string | boolean
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
>strOrNumOrBool : string | boolean, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))
}
if (typeof numOrC === "number") {
>typeof numOrC === "number" : boolean
>typeof numOrC : string
>numOrC : number | C, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
>"number" : string

    num = numOrC; // number
>num = numOrC : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>numOrC : number, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
}
else {
    c = numOrC; // C
>c = numOrC : C
>c : C, Symbol(c, Decl(typeGuardOfFormTypeOfNumber.ts, 12, 3))
>numOrC : C, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
}

// Narrowing occurs only if target type is a subtype of variable type
if (typeof strOrBool === "number") {
>typeof strOrBool === "number" : boolean
>typeof strOrBool : string
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
>"number" : string

    var y1: string | boolean = strOrBool; // string | boolean
>y1 : string | boolean, Symbol(y1, Decl(typeGuardOfFormTypeOfNumber.ts, 45, 7), Decl(typeGuardOfFormTypeOfNumber.ts, 81, 7))
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
}
else {
    var y2: string | boolean = strOrBool; // string | boolean
>y2 : string | boolean, Symbol(y2, Decl(typeGuardOfFormTypeOfNumber.ts, 48, 7), Decl(typeGuardOfFormTypeOfNumber.ts, 84, 7))
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
}

// 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 !== "number") {
>typeof strOrNum !== "number" : boolean
>typeof strOrNum : string
>strOrNum : string | number, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))
>"number" : string

    str === strOrNum; // string
>str === strOrNum : boolean
>str : string, Symbol(str, Decl(typeGuardOfFormTypeOfNumber.ts, 2, 3))
>strOrNum : string, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))
}
else {
    num = strOrNum; // number
>num = strOrNum : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>strOrNum : number, Symbol(strOrNum, Decl(typeGuardOfFormTypeOfNumber.ts, 5, 3))
}
if (typeof numOrBool !== "number") {
>typeof numOrBool !== "number" : boolean
>typeof numOrBool : string
>numOrBool : number | boolean, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))
>"number" : string

    var x: number | boolean = numOrBool; // number | boolean
>x : number | boolean, Symbol(x, Decl(typeGuardOfFormTypeOfNumber.ts, 28, 7), Decl(typeGuardOfFormTypeOfNumber.ts, 61, 7))
>numOrBool : boolean, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))
}
else {
    num = numOrBool; // number
>num = numOrBool : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>numOrBool : number, Symbol(numOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 7, 3))
}
if (typeof strOrNumOrBool !== "number") {
>typeof strOrNumOrBool !== "number" : boolean
>typeof strOrNumOrBool : string
>strOrNumOrBool : string | number | boolean, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))
>"number" : string

    strOrBool = strOrNumOrBool; // string | boolean
>strOrBool = strOrNumOrBool : string | boolean
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
>strOrNumOrBool : string | boolean, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))
}
else {
    num = strOrNumOrBool; // number
>num = strOrNumOrBool : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>strOrNumOrBool : number, Symbol(strOrNumOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 8, 3))
}
if (typeof numOrC !== "number") {
>typeof numOrC !== "number" : boolean
>typeof numOrC : string
>numOrC : number | C, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
>"number" : string

    c = numOrC; // C
>c = numOrC : C
>c : C, Symbol(c, Decl(typeGuardOfFormTypeOfNumber.ts, 12, 3))
>numOrC : C, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
}
else {
    num = numOrC; // number
>num = numOrC : number
>num : number, Symbol(num, Decl(typeGuardOfFormTypeOfNumber.ts, 4, 3))
>numOrC : number, Symbol(numOrC, Decl(typeGuardOfFormTypeOfNumber.ts, 10, 3))
}

// Narrowing occurs only if target type is a subtype of variable type
if (typeof strOrBool !== "number") {
>typeof strOrBool !== "number" : boolean
>typeof strOrBool : string
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
>"number" : string

    var y1: string | boolean = strOrBool; // string | boolean
>y1 : string | boolean, Symbol(y1, Decl(typeGuardOfFormTypeOfNumber.ts, 45, 7), Decl(typeGuardOfFormTypeOfNumber.ts, 81, 7))
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
}
else {
    var y2: string | boolean = strOrBool; // string | boolean
>y2 : string | boolean, Symbol(y2, Decl(typeGuardOfFormTypeOfNumber.ts, 48, 7), Decl(typeGuardOfFormTypeOfNumber.ts, 84, 7))
>strOrBool : string | boolean, Symbol(strOrBool, Decl(typeGuardOfFormTypeOfNumber.ts, 6, 3))
}