What's the difference between concatenation and interpolation?

What's the difference between concatenation and interpolation?

Concatenation allows you to combine to strings together and it only works on two strings. Swift uses string interpolation to include the name of a constant or variable as a placeholder in a longer string, and to prompt Swift to replace it with the current value of that constant or variable.

Which character is used for concatenation?

ampersand symbol

How use about in a sentence?

About sentence example

1. Do you want to tell me about it? ...
2. I didn't ask about his family tree. ...
3. I love thinking about the future. ...
4. "What shall we write about ?" they asked. ...
5. In fact, everything about him was masculine. ...
6. We know not much about them. ...
7. Don't worry about it.

What are the 5 sentences?

5 sentences:

• My mom taught me to finish everything on my plate at dinner.
• The only problem with a pencil, is that they do not stay sharp long enough.
• Our school building is made of bricks.
• Every night I get woken up by the sound of a barking dog across the street.
• Salad is for rabbits.

Should a comma come before and?

1. Use a comma before any coordinating conjunction (and, but, for, or, nor, so, yet) that links two independent clauses. You may need to learn a few grammatical terms to understand this one.

What is the rule for using a or an in a sentence?

“A” is used before words starting in consonant sounds and “an” is used before words starting with vowel sounds. It doesn't matter if the word is an adjective, a noun, an adverb, or anything else; the rule is exactly the same.