legacy_random.md

Pattern: Use legacy random function

Issue: -

Description

Prefer using type.random(in:) over legacy functions.

Examples of correct code:

Int.random(in: 0..<10)


Double.random(in: 8.6...111.34)


Float.random(in: 0 ..< 1)

Examples of incorrect code:

↓arc4random(10)


↓arc4random_uniform(83)


↓drand48(52)

Further Reading

• SwiftLint - Legacy Random