This snippet is valid Swift code, but running SwiftFormat 0.52.10 on it throws an error:
./artifacts/cache/swiftformat/current/swiftformat file.swift
Running SwiftFormat...
Reading config file at <path>/.swiftformat
Reading swift-version file at <path>/.swift-version (version 5.4)
error: Unexpected end of file at 2:1 in <path>/file.swift.
This snippet is valid Swift code, but running SwiftFormat 0.52.10 on it throws an error: