TypeScriptP/tests/baselines/reference/assignmentCompatFunctionsWithOptionalArgs.types at 850c19b583ace6b59ddd0dfa4719d63632342ba9 · ace-tk/TypeScriptP · GitHub

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//// [tests/cases/compiler/assignmentCompatFunctionsWithOptionalArgs.ts] ////

=== assignmentCompatFunctionsWithOptionalArgs.ts ===
function foo(x: { id: number; name?: string; }): void;
>foo : (x: { id: number; name?: string; }) => void
>    : ^ ^^                              ^^^^^
>x : { id: number; name?: string | undefined; }
>  : ^^^^^^      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>id : number
>   : ^^^^^^
>name : string | undefined
>     : ^^^^^^^^^^^^^^^^^^

foo({ id: 1234 });                 // Ok
>foo({ id: 1234 }) : void
>                  : ^^^^
>foo : (x: { id: number; name?: string; }) => void
>    : ^ ^^                              ^^^^^
>{ id: 1234 } : { id: number; }
>             : ^^^^^^^^^^^^^^^
>id : number
>   : ^^^^^^
>1234 : 1234
>     : ^^^^

foo({ id: 1234, name: "hello" });  // Ok
>foo({ id: 1234, name: "hello" }) : void
>                                 : ^^^^
>foo : (x: { id: number; name?: string; }) => void
>    : ^ ^^                              ^^^^^
>{ id: 1234, name: "hello" } : { id: number; name: string; }
>                            : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>id : number
>   : ^^^^^^
>1234 : 1234
>     : ^^^^
>name : string
>     : ^^^^^^
>"hello" : "hello"
>        : ^^^^^^^

foo({ id: 1234, name: false });    // Error, name of wrong type
>foo({ id: 1234, name: false }) : void
>                               : ^^^^
>foo : (x: { id: number; name?: string; }) => void
>    : ^ ^^                              ^^^^^
>{ id: 1234, name: false } : { id: number; name: boolean; }
>                          : ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>id : number
>   : ^^^^^^
>1234 : 1234
>     : ^^^^
>name : boolean
>     : ^^^^^^^
>false : false
>      : ^^^^^

foo({ name: "hello" });            // Error, id required but missing
>foo({ name: "hello" }) : void
>                       : ^^^^
>foo : (x: { id: number; name?: string; }) => void
>    : ^ ^^                              ^^^^^
>{ name: "hello" } : { name: string; }
>                  : ^^^^^^^^^^^^^^^^^
>name : string
>     : ^^^^^^
>"hello" : "hello"
>        : ^^^^^^^