58 lines
1 KiB
TypeScript
58 lines
1 KiB
TypeScript
interface ifc { }
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// Attempting to 'new' an interface yields poor error
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var i = new ifc();
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// Parens are optional
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var x = new Date;
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var y = new Date();
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// Target is not a class or var, good error
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var t1 = new 53();
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var t2 = new ''();
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new string;
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// Use in LHS of expression?
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(new Date()).toString();
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// Various spacing
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var t3 = new string[]( );
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var t4 =
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new
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string
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[
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]
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(
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);
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// Unresolved symbol
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var f = new q();
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// not legal
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var t5 = new new Date;
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// Can be an expression
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new String;
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// Error on union
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declare const union: { a: string } | { b: string }
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new union;
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// Error on union with one constructor
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declare const ctorUnion: { a: string } | (new (a: string) => void)
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new ctorUnion("");
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// Error on union with incompatible constructors
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declare const ctorUnion2: (new <T extends number>(a: T) => void) | (new <T>(a: string) => void)
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new ctorUnion2("");
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module M {
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export class T {
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x: number;
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}
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}
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class S {
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public get xs(): M.T[] {
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return new M.T[];
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}
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}
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