prog.ts(4,21): error TS2322: Type 'boolean' is not assignable to type 'number'. prog.ts(4,28): error TS2322: Type 'string' is not assignable to type 'boolean'. prog.ts(4,55): error TS2322: Type 'number' is not assignable to type 'string'.
prog.ts(4,21): error TS2322: Type 'boolean' is not assignable to type 'number'. prog.ts(4,28): error TS2322: Type 'string' is not assignable to type 'boolean'. prog.ts(4,55): error TS2322: Type 'number' is not assignable to type 'string'.