KeySortBy

KeySortBy[assoc,f]

sorts the elements of an association in the order defined by applying f to each of their keys.

KeySortBy[f]

represents an operator form of KeySortBy that can be applied to an expression.

Details

Examples

Basic Examples  (5)

Sort the association entries by keys in reverse order:

Sort the association by its keys modulo 3:

Sort the entries by the length of their keys:

Sort a list of rules:

Use the operator form of KeySortBy:

Wolfram Research (2014), KeySortBy, Wolfram Language function, https://reference.wolfram.com/language/ref/KeySortBy.html.

Text

Wolfram Research (2014), KeySortBy, Wolfram Language function, https://reference.wolfram.com/language/ref/KeySortBy.html.

BibTeX

@misc{reference.wolfram_2021_keysortby, author="Wolfram Research", title="{KeySortBy}", year="2014", howpublished="\url{https://reference.wolfram.com/language/ref/KeySortBy.html}", note=[Accessed: 31-July-2021 ]}

BibLaTeX

@online{reference.wolfram_2021_keysortby, organization={Wolfram Research}, title={KeySortBy}, year={2014}, url={https://reference.wolfram.com/language/ref/KeySortBy.html}, note=[Accessed: 31-July-2021 ]}

CMS

Wolfram Language. 2014. "KeySortBy." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/KeySortBy.html.

APA

Wolfram Language. (2014). KeySortBy. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/KeySortBy.html