Swift Break statement

Swift cycle

Swift break statement will immediately end execution of the entire control flow.

If you are using a nested loop (ie a loop nested inside another loop), break statement to stop the execution of the innermost loop, and then start the next line of code after the block.

grammar

Swift break statement syntax is as follows:

break

flow chart:

Examples

import Cocoa

var index = 10

repeat{
    index = index + 1
    
    if( index == 15 ){  // index 等于 15 时终止循环
        break
    }
    print( "index 的值为 \(index)")
}while index < 20

The above program execution output is:

index 的值为 11
index 的值为 12
index 的值为 13
index 的值为 14

Swift cycle