Go Flow Control

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"Go Flow Control"

1. For no (), there must be {}.

　　

2. The for before and after expressions can be empty.

　　

3, no while,for is the while.

　　

4, Infinite cycle.

　　

5. If there is no (), there must be {}.

　　

6, if temporary variable.

Like for , the if statement can start with a short statement to execute before the condition.

Variables declared by the statement is only in scope until the end of the if .

　　

7. If temporary variables can be used in else.

　　

8, switch will automatically break.

　　

9. The expression in case can be calculated.

　　

10, Switch without a condition is the same as switch true .

　　

11, delay the execution.

A defer statement defers the execution of a function until the surrounding function returns.

The deferred call ' s arguments was evaluated immediately, but the function call was not executed until the surrounding funct Ion returns.

　　

12, Deferred function calls is pushed onto a stack.

　　

Output is 9 8 7 6 ...

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