Common function names

The same functionality appears in different programming languages under different names. Here’s an attempt at gathering some interesting distinctions.

Remove/keep elements matching predicate

Plain old filter:

Filter, mutates original:

Filter until predicate fails:

Find single element matching predicate

Map elements

This applies a map to the elements of an array.

Check equality

Equality is a can of worms.

Note last edited January 2022.
Backlinks: Programming language design.
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