File: genericFunctionsWithOptionalParameters2.symbols

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=== tests/cases/compiler/genericFunctionsWithOptionalParameters2.ts ===
interface Utils {
>Utils : Symbol(Utils, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 0))

   fold<T, S>(c: Array<T>, folder?: (s: S, t: T) => T, init?: S): T;
>fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))
>T : Symbol(T, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 8))
>S : Symbol(S, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 10))
>c : Symbol(c, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 14))
>Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
>T : Symbol(T, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 8))
>folder : Symbol(folder, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 26))
>s : Symbol(s, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 37))
>S : Symbol(S, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 10))
>t : Symbol(t, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 42))
>T : Symbol(T, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 8))
>T : Symbol(T, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 8))
>init : Symbol(init, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 54))
>S : Symbol(S, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 10))
>T : Symbol(T, Decl(genericFunctionsWithOptionalParameters2.ts, 1, 8))
}

var utils: Utils;
>utils : Symbol(utils, Decl(genericFunctionsWithOptionalParameters2.ts, 4, 3))
>Utils : Symbol(Utils, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 0))

utils.fold(); // error
>utils.fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))
>utils : Symbol(utils, Decl(genericFunctionsWithOptionalParameters2.ts, 4, 3))
>fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))

utils.fold(null); // no error
>utils.fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))
>utils : Symbol(utils, Decl(genericFunctionsWithOptionalParameters2.ts, 4, 3))
>fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))

utils.fold(null, null); // no error
>utils.fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))
>utils : Symbol(utils, Decl(genericFunctionsWithOptionalParameters2.ts, 4, 3))
>fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))

utils.fold(null, null, null); // error: Unable to invoke type with no call signatures
>utils.fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))
>utils : Symbol(utils, Decl(genericFunctionsWithOptionalParameters2.ts, 4, 3))
>fold : Symbol(Utils.fold, Decl(genericFunctionsWithOptionalParameters2.ts, 0, 17))