Top "Let" questions

In Lisp-like and functional languages, introduces a list of local variables, each (possibly optionally) with its initial value.

Why does const work in some for-loops in JavaScript?

I do know why const doesn't work in for-loops. We need to create a new scope and copy over a …

javascript scope ecmascript-6 constants let
Using a `let` binding to increase a values lifetime

I wrote the following code to read an array of integers from stdin: use std::io::{self, BufRead}; fn main() { …

rust lifetime let