DIY: String to Integer (atoi)
Explore how to convert a string into a 32-bit signed integer in Rust by handling leading spaces, optional signs, and invalid inputs. This lesson helps you build the my_atoi function to process real-world string parsing scenarios often encountered in coding interviews.
We'll cover the following...
We'll cover the following...
Problem statement
In this coding exercise, you are given a string. You have to convert this string to a 32-bit signed integer. The string may have a leading whitespace. The first non-whitespace character in the string may or may not be numeric.
-
If it isn’t numeric, it may be a
+or-sign, which will determine if the final result is negative or positive, ...