tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(2,15): error TS7006: Parameter 'l1' implicitly has an 'any' type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(3,15): error TS7006: Parameter 'll1' implicitly has an 'any' type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(4,33): error TS7006: Parameter 'myParam' implicitly has an 'any' type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(5,14): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(8,24): error TS7010: 'temp', which lacks return-type annotation, implicitly has an 'any' return type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(9,15): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(10,24): error TS7010: 'temp', which lacks return-type annotation, implicitly has an 'any' return type. tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts(11,15): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. ==== tests/cases/compiler/implicitAnyDeclareFunctionExprWithoutFormalType.ts (8 errors) ==== // these should be errors for implicit any parameter var lambda = (l1) => { }; // Error at "l1" ~~ !!! error TS7006: Parameter 'l1' implicitly has an 'any' type. var lambd2 = (ll1, ll2: string) => { } // Error at "ll1" ~~~ !!! error TS7006: Parameter 'll1' implicitly has an 'any' type. var lamda3 = function myLambda3(myParam) { } ~~~~~~~ !!! error TS7006: Parameter 'myParam' implicitly has an 'any' type. var lamda4 = () => { return null }; ~~~~~~~~~~~~~~~~~~~~~ !!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. // these should be error for implicit any return type var lambda5 = function temp() { return null; } ~~~~ !!! error TS7010: 'temp', which lacks return-type annotation, implicitly has an 'any' return type. var lambda6 = () => { return null; } ~~~~~~~~~~~~~~~~~~~~~~ !!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. var lambda7 = function temp() { return undefined; } ~~~~ !!! error TS7010: 'temp', which lacks return-type annotation, implicitly has an 'any' return type. var lambda8 = () => { return undefined; } ~~~~~~~~~~~~~~~~~~~~~~~~~~~ !!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. // this shouldn't be an error var lambda9 = () => { return 5; } var lambda10 = function temp1() { return 5; }