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@gdyrrahitis
Created Jul 10, 2019
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const phrase = 'Welcome';
const observable = of(phrase);
observable.pipe(
append(' to'),
append(' Functional Programming'),
append(' I hope you like'),
append(' pipelining!'),
removeTheLetter('i'),
makeLetterUpperCase('o'),
makeLetterUpperCase('a'),
makeLetterUpperCase('e'),
removeWordsWithLessThanFourLetters // partial function application
).subscribe(x => console.log(x));
// prints: WElcOmE FunctOnAl PrOgrAmmng ppElnng!
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