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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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