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optionalBindingParameters1.ts(1,14): error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
optionalBindingParameters1.ts(7,6): error TS2322: Type 'boolean' is not assignable to type 'string'.
optionalBindingParameters1.ts(7,16): error TS2322: Type 'string' is not assignable to type 'boolean'.
==== optionalBindingParameters1.ts (3 errors) ====
function foo([x,y,z]?: [string, number, boolean]) {
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2463: A binding pattern parameter cannot be optional in an implementation signature.
}
foo(["", 0, false]);
foo([false, 0, ""]);
~~~~~
!!! error TS2322: Type 'boolean' is not assignable to type 'string'.
~~
!!! error TS2322: Type 'string' is not assignable to type 'boolean'.
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