Swift - Loops
Which of the following is the correct syntax to create a stride in Swift from 1 to 10 with step 3, excluding 10?
Which of the following is the correct syntax to create a stride in Swift from 1 to 10 with step 3, excluding 10?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall stride syntax
The correct syntax uses named parameters:from,toorthrough, andby.Step 2: Identify correct option
stride(from: 1, to: 10, by: 3) usesstride(from: 1, to: 10, by: 3), which is correct syntax and excludes 10. stride(from: 1, through: 10, by: 3) includes 10. Options C and D have incorrect syntax.Final Answer:
stride(from: 1, to: 10, by: 3) is correct syntax excluding 10 -> Option CQuick Check:
Correct stride syntax with 'to' excludes end = A [OK]
Quick Trick: Use 'to' to exclude end, 'through' to include end in stride [OK]
Common Mistakes:
- Using unnamed parameters or wrong parameter names
- Confusing 'to' and 'through'
- Using 'step' instead of 'by'
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