f71d6005a2
* Use nextToken() after parsing a tag name so we can parse type keywords * Make callback to skipWhitespaceOrAsterisk non-optional
57 lines
1.1 KiB
TypeScript
57 lines
1.1 KiB
TypeScript
// @allowJs: true
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// @checkJs: true
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// @noEmit: true
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// @Filename: a.js
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/** @enum {string} */
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const Target = {
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START: "start",
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MIDDLE: "middle",
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END: "end",
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MISTAKE: 1,
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/** @type {number} */
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OK_I_GUESS: 2
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}
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/** @enum number */
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const Second = {
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MISTAKE: "end",
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OK: 1,
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/** @type {number} */
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FINE: 2,
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}
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/** @enum {function(number): number} */
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const Fs = {
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ADD1: n => n + 1,
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ID: n => n,
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SUB1: n => n - 1
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}
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/** @param {Target} t
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* @param {Second} s
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* @param {Fs} f
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*/
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function consume(t,s,f) {
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/** @type {string} */
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var str = t
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/** @type {number} */
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var num = s
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/** @type {(n: number) => number} */
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var fun = f
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/** @type {Target} */
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var v = Target.START
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v = Target.UNKNOWN // error, can't find 'UNKNOWN'
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v = Second.MISTAKE // meh..ok, I guess?
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v = 'something else' // allowed, like Typescript's classic enums and unlike its string enums
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}
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/** @param {string} s */
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function ff(s) {
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// element access with arbitrary string is an error only with noImplicitAny
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if (!Target[s]) {
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return null
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}
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else {
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return Target[s]
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}
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}
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