prettier/tests/flow/generics/generics.js

44 lines
893 B
JavaScript

class C<X> {
x:X;
constructor(x:X) { this.x = x; }
get():X { return this.x; }
}
class D<T> {
x:T;
m<S>(z:S,u:T,v):S {
this.x = u;
v.u = u;
return z;
}
}
var d = new D();
var o = {};
var b = d.m(true,0,o);
var s:string = d.x;
var n:number = o.u;
class E<X> extends C<X> {
//x:X;
set(x:X):X { /*return x;*/ this.x = x; return /*this.x; */this.get(); }
}
var e = new E(); // error: too few arguments to inherited constructor
var x:string = e.set(0);
class F<X> { }
class G<Y> extends F<Array<Y>> {}
class H<Z> extends G<Array<Z>> {
x:Z;
foo(x:Z) { this.x = x; }
}
var h1 = new H();
h1.foo(["..."]);
var h2:F<Array<Array<Array<number>>>> = h1;
var obj : Object<string, string> = {} // error, arity 0
var fn : Function<string> = function() { return 'foo'; } // error, arity 0
var fn : function<string> = function() { return 'foo'; } // error, arity 0