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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
function concat(arrays) {
// sum of individual array lengths
// somma delle lunghezze dei singoli array
let totalLength = arrays.reduce((acc, value) => acc + value.length, 0);

if (!arrays.length) return null;

let result = new Uint8Array(totalLength);

// for each array - copy it over result
// next array is copied right after the previous one
// ogni array, lo copiamo in result
// l'array successivo viene copiato subito dopo quello precedente
let length = 0;
for(let array of arrays) {
result.set(array, length);
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
function concat(arrays) {
// ...your code...
// ...il vostro codice...
}

let chunks = [
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4 changes: 2 additions & 2 deletions 4-binary/01-arraybuffer-binary-arrays/01-concat/task.md
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@@ -1,4 +1,4 @@

# Concatenate typed arrays
# Concatenate TypedArrays

Given an array of `Uint8Array`, write a function `concat(arrays)` that returns a concatenation of them into a single array.
Dato un array di `Uint8Array`, scrivete una funzione `concat(arrays)` che ritorna una loro concatenazione in un singolo array.
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