Function getContextualIterationType

test/fixtures/snapshot/typescript.js:72550–72558

(kind, functionDecl)

            return false;
        }
        function getContextualIterationType(kind, functionDecl) {
            var isAsync = !!(ts.getFunctionFlags(functionDecl) & 2 /* FunctionFlags.Async */);
            var contextualReturnType = getContextualReturnType(functionDecl);
            if (contextualReturnType) {
                return getIterationTypeOfGeneratorFunctionReturnType(kind, contextualReturnType, isAsync)
                    || undefined;
            }
            return undefined;
        }
        function getContextualReturnType(functionDecl) {
            // If the containing function has a return type annotation, is a constructor, or is a get accessor whose
            // corresponding set accessor has a type annotation, return statements in the function are contextually typed