Empty String

Prefer checking isEmpty over comparing string to an empty string literal

  • Identifier: empty_string
  • Enabled by default: No
  • Supports autocorrection: No
  • Kind: performance
  • Analyzer rule: No
  • Minimum Swift compiler version: 5.0.0
  • Default configuration:
    KeyValue
    severity warning

Non Triggering Examples

myString.isEmpty
!myString.isEmpty
"""
foo==
"""

Triggering Examples

myString == ""
myString != ""
myString==""
myString == #""#
myString == ##""##