TypeScript transducers-js.map函数代码示例

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本文整理汇总了TypeScript中transducers-js.map函数的典型用法代码示例。如果您正苦于以下问题：TypeScript map函数的具体用法？TypeScript map怎么用？TypeScript map使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了map函数的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: transduceExample

function transduceExample() {
  const { completing, transduce, wrap } = t;
  const stringAppendFn = (acc: string, x: number) => acc + x;
  const stringAppendTransformer = wrap(stringAppendFn);
  const stringAppendThenLengthTransformer = completing(
    stringAppendFn,
    s => s.length,
  );
  const lengthsString1: string = transduce(
    t.map((s: string) => s.length),
    stringAppendFn,
    "",
    ["a", "b"],
  );
  const lengthsString2: string = transduce(
    t.map((s: string) => s.length),
    stringAppendTransformer,
    "",
    ["a", "b"],
  );
  const lengthsStringLength: number = transduce(
    t.map((s: string) => s.length),
    stringAppendThenLengthTransformer,
    "",
    ["a", "b"],
  );
}

开发者ID:MrBigDog2U，项目名称:DefinitelyTyped，代码行数:27，代码来源:transducers-js-tests.ts

示例2: intoExample

function intoExample () {
  var inc = function(n: number) { return n+1; };
  var isEven = function(n: number) { return n % 2 == 0; };
  var apush = function(arr: number[], x: number) { arr.push(x); return arr; };
  var xf = t.comp(t.map(inc),t.filter(isEven));
  t.into([], xf, [1,2,3,4]); // [2,4]
}

开发者ID:ArtemZag，项目名称:DefinitelyTyped，代码行数:7，代码来源:transducers-js-tests.ts

示例3: advancedIntoExample

function advancedIntoExample() {
  const array: number[] = into([], t.map((s: string) => s.length), [
    "a",
    "b",
  ]);
  const string: string = into("", t.map((s: string) => s + s), ["a", "b"]);
  const object1: { [key: string]: number } = into(
    {},
    t.map((s: string) => [s, s.length] as [string, number]),
    ["a", "b"],
  );
  const object2: { [key: string]: boolean } = into(
    {},
    t.map((kv: [string, number]) => [kv[0], true] as [string, boolean]),
    { a: 1, b: 2 }
  );
}

开发者ID:MrBigDog2U，项目名称:DefinitelyTyped，代码行数:17，代码来源:transducers-js-tests.ts

示例4: catExample

function catExample () {
  var reverse = function(arr: number[]) {
    var arr: number[] = Array.prototype.slice.call(arr, 0);
    arr.reverse();
    return arr;
  };
  var xf = t.comp(t.map(reverse), t.cat);
  t.into([], xf, [[3,2,1],[6,5,4]]); // [1,2,3,4,5,6]
}

开发者ID:ArtemZag，项目名称:DefinitelyTyped，代码行数:9，代码来源:transducers-js-tests.ts

示例5: it

 it('transduces Stack without initial values', () => {
   let s = Stack.of(1, 2, 3, 4);
   let xform = t.comp(
     t.filter(x => x % 2 === 0),
     t.map(x => x + 1),
   );
   let s2 = t.transduce(xform, Stack(), s);
   expect(s.toArray()).toEqual([1, 2, 3, 4]);
   expect(s2.toArray()).toEqual([5, 3]);
 });

开发者ID:philipp-spiess，项目名称:immutable-js，代码行数:10，代码来源:transformerProtocol.ts

示例6: it

 it('transduces Stack with initial values', () => {
   const v1 = Stack.of(1, 2, 3);
   const v2 = Stack.of(4, 5, 6, 7);
   const xform = t.comp(
     t.filter(x => x % 2 === 0),
     t.map(x => x + 1),
   );
   const r = t.transduce(xform, Stack(), v1, v2);
   expect(v1.toArray()).toEqual([1, 2, 3]);
   expect(v2.toArray()).toEqual([4, 5, 6, 7]);
   expect(r.toArray()).toEqual([7, 5, 1, 2, 3]);
 });

开发者ID:skeet70，项目名称:immutable-js，代码行数:12，代码来源:transformerProtocol.ts

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