Functional Specification

Question 1

cowboy coding

Answer 1

write a function, you choose some arguments, and if you don’t like what you see, perhaps you add a new argument to that function and test again.

Question 2

functional specifications

Answer 2

declarations about the properties of input and output of functions in a program.

Question 3

In their simplest form, a functional specification can be

Answer 3

natural language that says what an individual function is supposed to do

Question 4

static typing

Answer 4

allow developers to specify types explicitly

Question 5

second purpose of writing functional specifications

Answer 5

verify that functions, their input, and their output are correct.

Question 6

assertions

Answer 6

simplest and most widely used kinds of unit tests

Question 7

Assertions consist of two things:

Answer 7

1) a check on some property of a function’s input or output

2) some action to notify about violations of these properties.

Question 8

Error handling

Answer 8

includes assertions, but also programming language features like exceptions and exception handlers.