More About Xcode – Code Completion

• Xcode manages the internal index of all the declaration.

• Xcode auto suggests as you type.

• Pressing the escape on line brings all the suggestions. In case if you do not see suggestion, you can bring that by pressing control space.

• Control period cycles through the options.

• Control shift period cycles through backwards.

• Xcode provides placeholders of parameters as per the syntax, which you can switch by pressing tab.

• If you try to complete the blocks with alternate brackets like started with '{' but ending with ']', Xcode gives the beep.