Ramda JS Tutorial – Part 37 (endsWith + startsWith)

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Does the list/string end with some given sublist/substring? Plus some interesting composition- and SKI calculus shenanigans :)

Exploring all the functions of the JavaScript library Ramda JS and learning functional programming along the way.

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👾 In this video:
R.endsWith
R.startsWith
R.compose
R.pipe
R.converge
s combinator (SKI calculus)
Point-free functions

🖥 Full playlist:

Christopher Okhravi
ramda
ramdajs
ramda.js
js
tutorial

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Here is another point-free definition that i thought of: (which requires a spread function)

const spread = f => xs => f(...xs);
const endsWith = R.pipe(R.juxt([R.pipe(R.length, R.takeLast), R.unary(R.equals)]), spread(R.pipe))

lunaArtemisOld

How would you call a function like this??

const ??? = R.flip (R.startsWith)

thanls

oscarhuan

Ramda JS Tutorial – Part 37 (endsWith + startsWith)

Ramda JS Tutorial – Part 2 (addIndex, adjust)

Ramda JS Tutorial – Part 3 (all, allPass)

Ramda JS Tutorial – Part 1 (__, curry, add)

Ramda JS Tutorial – Part 27 (curry)

Ramda JS Tutorial – Part 5 (ap)

Ramda JS Tutorial – Part 12 (both, flip)

Ramda JS – An Introduction

Ramda JS Tutorial – Part 24 (contains)

find() - Pipe Dreams - Ramda Deep Dive: Season 2

Ramda JS Tutorial – Part 25 (converge)

Ramda JS Tutorial – Part 36 (empty + Monoid + Semigroup)

Ramda JS Tutorial – Part 22 (cond / switch case)

Ramda JS Tutorial – Part 6 (aperture, append, apply, unapply)

Ramda JS Tutorial – Part 4 (always, and, any, anyPass)

Ramda JS Tutorial – Part 39 (T, F)

Ramda JS Tutorial – Part 14 (chain and monads)

Ramda Tutorial - How to use Ramda for Functional Programming

Ramda JS Tutorial – Part 29 (defaultTo)

Ramda JS Tutorial – Part 21 (Semigroup and Concat)

Ramda JS Tutorial – Part 38 (equality)

Ramda JS Tutorial – Part 15 (clamp)

Ramda JS Tutorial – Part 39 (evolve)

Ramda JS Tutorial – Part 19 (compose and pipe)

Ramda JS Tutorial – Part 20 (composeP, pipeP)