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docs: improve math/iter/ops examples #2008

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Oct 30, 2024
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docs: improve math/iter/ops examples #2008

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5f3e031
docs(math/iter/ops): update examples/index.js and README.md
domlimm Mar 23, 2024
49cb66e
docs: simplify and shorten examples
Planeshifter Oct 30, 2024
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45 changes: 41 additions & 4 deletions lib/node_modules/@stdlib/math/iter/ops/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -63,15 +63,52 @@ The namespace contains the following functions for creating iterator protocol-co

## Examples

<!-- TODO: better examples -->

<!-- eslint no-undef: "error" -->

```javascript
var objectKeys = require( '@stdlib/utils/keys' );
var array2iterator = require( '@stdlib/array/to-iterator' );
var ns = require( '@stdlib/math/iter/ops' );

console.log( objectKeys( ns ) );
// Demonstrate operations with two iterators:
var arr1 = [ 2.0, 3.0 ];
var arr2 = [ 1.0, 4.0 ];
var itAdd = ns.iterAdd( array2iterator( arr1 ), array2iterator( arr2 ) );
var itDiv = ns.iterDivide( array2iterator( arr1 ), array2iterator( arr2 ) );
var itMul = ns.iterMultiply( array2iterator( arr1 ), array2iterator( arr2 ) );
var itSub = ns.iterSubtract( array2iterator( arr1 ), array2iterator( arr2 ) );

// Addition: 2+1=3, 3+4=7
console.log( itAdd.next().value );
// => 3.0
console.log( itAdd.next().value );
// => 7.0

// Division: 2/1=2, 3/4=0.75
console.log( itDiv.next().value );
// => 2.0
console.log( itDiv.next().value );
// => 0.75

// Multiplication: 2*1=2, 3*4=12
console.log( itMul.next().value );
// => 2.0
console.log( itMul.next().value );
// => 12.0

// Subtraction: 2-1=1, 3-4=-1
console.log( itSub.next().value );
// => 1.0
console.log( itSub.next().value );
// => -1.0

// Demonstrate operation with iterator and constant
var it3 = array2iterator( [ 1.0, 2.0 ] );
var itWithConstant = ns.iterAdd( it3, 3.0 );

console.log( itWithConstant.next().value );
// => 4.0
console.log( itWithConstant.next().value );
// => 5.0
```

</section>
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43 changes: 41 additions & 2 deletions lib/node_modules/@stdlib/math/iter/ops/examples/index.js
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Expand Up @@ -18,7 +18,46 @@

'use strict';

var objectKeys = require( '@stdlib/utils/keys' );
var array2iterator = require( '@stdlib/array/to-iterator' );
var ns = require( './../lib' );

console.log( objectKeys( ns ) );
// Demonstrate operations with two iterators:
var arr1 = [ 2.0, 3.0 ];
var arr2 = [ 1.0, 4.0 ];
var itAdd = ns.iterAdd( array2iterator( arr1 ), array2iterator( arr2 ) );
var itDiv = ns.iterDivide( array2iterator( arr1 ), array2iterator( arr2 ) );
var itMul = ns.iterMultiply( array2iterator( arr1 ), array2iterator( arr2 ) );
var itSub = ns.iterSubtract( array2iterator( arr1 ), array2iterator( arr2 ) );

// Addition: 2+1=3, 3+4=7
console.log( itAdd.next().value );
// => 3.0
console.log( itAdd.next().value );
// => 7.0

// Division: 2/1=2, 3/4=0.75
console.log( itDiv.next().value );
// => 2.0
console.log( itDiv.next().value );
// => 0.75

// Multiplication: 2*1=2, 3*4=12
console.log( itMul.next().value );
// => 2.0
console.log( itMul.next().value );
// => 12.0

// Subtraction: 2-1=1, 3-4=-1
console.log( itSub.next().value );
// => 1.0
console.log( itSub.next().value );
// => -1.0

// Demonstrate operation with iterator and constant
var it3 = array2iterator( [ 1.0, 2.0 ] );
var itWithConstant = ns.iterAdd( it3, 3.0 );

console.log( itWithConstant.next().value );
// => 4.0
console.log( itWithConstant.next().value );
// => 5.0
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