Question: Using Swift, Write a function named parse(digit:) that takes a string with one character as parameter. The function should return -1 if the input is

Using Swift, Write a function named parse(digit:) that takes a string with one character as parameter. The function should return -1 if the input is not a digit character and the digit otherwise.

parse(digit: "1") // 1 parse(digit: "3") // 3 parse(digit: "a") // -1

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

develop a python program A leap year in the Gregorian calendar system is a year that is divisible by 400 or a year that is divisible by 4 but not by 100. Write a function named leap _ year that takes...

Assignment overview This lab exercise provides practice with file processing You will work with a partner on this exercise during your lab session. Two people should work at one computer....

Prease write code by using C++ File: parse_int.cpp In this problem you will write a function to parse an integer from a string that is robust (including overflow) to invalid integers. You cannot use...

write the function named roundTrip(). The function takes one input parameter: a vector of Stars that represents a "travel itinerary". /** CS 150 Vectors and Structures Below you'll find a definition...

Need This in Python a. Write a function named isNumber to validate whether A STRING INPUT by a user contains a number. The function should have ONE STRING AS AN INPUT PARAMETER. The function should...

*Python 3 Question* In the 1960s, computer scientist Joseph Weizenbaum wrote a computer program named ELIZA that parodied a conversation with a psychotherapist. ELIZA responded, using scripted...

In the 1960s, computer scientist Joseph Weizenbaum wrote a computer program named ELIZA that parodied a conversation with a psychotherapist. ELIZA responded, using scripted replies, to simple...

In Python 1. Write a function named turtle_shape angle that takes in one parameter, a non-negative integer n that will represent the number of sides in the desired regular polygon. Your function...

Code is in python and is only asking for a function (no main). Please if possible upload a screen shot that is typed and indented correctly if possible. Thank you start end letter Favorite E Show...

From the information provided in each section: The company MACHINESA has acquired on May 1st, 2022 furniture worth 218.000EUR. The transport of such elements, invoiced at 1,950EUR, has been paid by...

What is structural independence, and why is it important?

Other than selling common stock what are other options for a company to raise capital? select all that apply 1 . sell preferred stock. 2 . issue debt 3 . sell a subsidiary ( if it has one ) 4 . issue...

CT Corp Comprehensive Question Canadian Tire Corporation, Limited ( Canadian Tire ) is a family of companies that includes a retail segment and a financial services division, among others. The retail...

Identify three uses of the pause when presenting your message to an audience. (Objective 2)

Explain how physical appearance can affect written and oral messages.What messages might be sent by (a) a coworker wearing jeans and a T-shirt to present an idea for a marketing campaign for a new...

Identify three internal stimuli and three external stimuli that have prevented you from being an effective listener in the past. (Objective 3)