Generic type arguments in generic tagged templates

Tagged templates are a form of invocation introduced in ECMAScript 2015.Like call expressions, generic functions may be used in a tagged template and TypeScript will infer the type arguments utilized.

TypeScript 2.9 allows passing generic type arguments to tagged template strings.

Example

declare function styledComponent<Props>(strs: TemplateStringsArray): Component<Props>;
interface MyProps {
  name: string;
  age: number;
}
styledComponent<MyProps> `
  font-size: 1.5em;
  text-align: center;
  color: palevioletred;
`;
declare function tag<T>(strs: TemplateStringsArray, ...args: T[]): T;
// inference fails because 'number' and 'string' are both candidates that conflict
let a = tag<string | number> `${100} ${"hello"}`;