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https://github.com/fluencelabs/wasm-bindgen
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add binding for includes
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@ -177,4 +177,11 @@ extern {
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/// http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toString
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#[wasm_bindgen(method, js_name = toString)]
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pub fn to_string(this: &Array) -> String;
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/// The includes() method determines whether an array includes a certain element, returning true or false as appropriate.
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///
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/// http://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes
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#[wasm_bindgen(method)]
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pub fn includes(this: &Array, value: JsValue, from_index: i32) -> bool;
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}
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@ -386,3 +386,39 @@ fn to_string() {
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"#)
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.test()
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}
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#[test]
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fn includes() {
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project()
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.file("src/lib.rs", r#"
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#![feature(proc_macro, wasm_custom_section)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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use wasm_bindgen::js;
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#[wasm_bindgen]
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pub fn array_includes(this: &js::Array, value: JsValue, from_index: i32) -> bool {
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this.includes(value, from_index)
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}
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"#)
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.file("test.ts", r#"
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import * as assert from "assert";
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import * as wasm from "./out";
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export function test() {
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let characters = [8, 5, 4, 3, 1, 2]
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let isTwoIncluded = wasm.array_includes(characters, 2, 0);
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let isNineIncluded = wasm.array_includes(characters, 9, 0);
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assert.ok(isTwoIncluded);
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assert.ok(!isNineIncluded);
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let isThreeIncluded = wasm.array_includes(characters, 3, 4);
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assert.ok(!isThreeIncluded);
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}
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"#)
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.test()
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}
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