The “Swift Language Version” (SWIFT_VERSION) build setting must be set to a supported value for targets which use Swift. This setting can be set in the build settings editor.
在targets - Build settings 设置swift version即可 (默认为unspecified, 设置成当前最高版本即可)
The “Swift Language Version” (SWIFT_VERSION) build setting must be set to a supported value for targets which use Swift. This setting can be set in the build settings editor.
在targets - Build settings 设置swift version即可 (默认为unspecified, 设置成当前最高版本即可)