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sargs2multislice

Create a MultiSlice object from a comma-separated list of string-serialized MultiSlice constructor arguments.

Installation

npm install @stdlib/slice-base-sargs2multislice

Alternatively,

• To load the package in a website via a script tag without installation and bundlers, use the ES Module available on the esm branch (see README).
• If you are using Deno, visit the deno branch (see README for usage intructions).
• For use in Observable, or in browser/node environments, use the Universal Module Definition (UMD) build available on the umd branch (see README).

The branches.md file summarizes the available branches and displays a diagram illustrating their relationships.

To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.

Usage

var sargs2multislice = require( '@stdlib/slice-base-sargs2multislice' );

sargs2multislice( str )

Create a MultiSlice object from a comma-separated list of string-serialized MultiSlice constructor arguments.

var s = sargs2multislice( '0,Slice(2,10,1),1' );
// returns <MultiSlice>

var d = s.data;
// returns [ 0, <Slice>, 1 ]

The function returns null if provided an invalid string.

var s = sargs2multislice( 'foo,bar' );
// returns null

Notes

• This function is useful from wanting to create a MultiSlice object from an array of constructor arguments which has been serialized to a string (e.g., when working with Proxy objects supporting slicing].

  var Slice = require( '@stdlib/slice-ctor' );
  
  var args = [ 0, new Slice( 2, 10, 1 ), 1 ];
  
  // ...
  
  var sargs = args.toString();
  // returns '0,Slice(2,10,1),1'
  
  // ...
  
  var s = sargs2multislice( sargs );
  // returns <MultiSlice>
  
  var d = s.data;
  // returns [ 0, <Slice>, 1 ]

Examples

var sargs2multislice = require( '@stdlib/slice-base-sargs2multislice' );

var s = sargs2multislice( 'null,null,null' );
var d = s.data;
// returns [ null, null, null ]

s = sargs2multislice( '10,Slice(2,10,1),null' );
d = s.data;
// returns [ 10, <Slice>, null ]

s = sargs2multislice( '2,Slice(2,10,1),-5' );
d = s.data;
// returns [ 2, <Slice>, -5 ]

s = sargs2multislice( 'foo,bar' );
// returns null

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Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

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License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.