[RFC]: add @stdlib/array/base/count-if #1324
Description
Description
This RFC proposes adding the package @stdlib/array/base/count-if.
The package should be structured similarly to @stdlib/array/base/count-truthy.
The package should expose an API having the same signature as countTruthy, with the addition of predicate and thisArg arguments.
function countIf( x, predicate[, thisArg] ) {...}The predicate function should return a boolean value. If true, the function should increment a count; otherwise, the value is ignored.
Package: @stdlib/array/base/count-if
Alias: countIf
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This package should expose an API similar to the Excel/GSheets function of the same name: https://support.google.com/docs/answer/3093480?sjid=2342692862647625777-NC.
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RFC feature request which has been accepted.Issue or pull request for adding a new feature.A good first issue for new contributors!Issue involves or relates to JavaScript.Request for comments. Feature requests and proposed changes.Issue or pull request concerning general utilities.May require some initial design or R&D, but should be straightforward to resolve and/or implement.Low priority concern or feature request.