Empty String

Prefer checking isEmpty over comparing string to an empty string literal.

• Identifier: empty_string
• Enabled by default: Disabled
• Supports autocorrection: No
• Kind: performance
• Analyzer rule: No
• Minimum Swift compiler version: 3.0.0
• Default configuration: warning

Non Triggering Examples

myString.isEmpty

!myString.isEmpty

"""
foo==
"""

Triggering Examples

myString↓ == ""

myString↓ != ""