tests/cases/compiler/contextualTyping30.ts(1,37): error TS2345: Argument of type 'Array<string | number>' is not assignable to parameter of type 'number[]'.
Type 'string | number' is not assignable to type 'number':
Type 'string' is not assignable to type 'number'.
==== tests/cases/compiler/contextualTyping30.ts (1 errors) ====
function foo(param:number[]){}; foo([1, "a"]);
~~~~~~~~
!!! error TS2345: Argument of type 'Array<string | number>' is not assignable to parameter of type 'number[]'.
!!! error TS2345: Type 'string | number' is not assignable to type 'number':
!!! error TS2345: Type 'string' is not assignable to type 'number'.