6. Toad Notes Go language--for loop

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6. Toad Notes Go language--for loop

For

Go has only one loop structure-the ' for ' Loop.

The basic for loop does not have to be "()" (or even forced to use them), it looks like it does in C or Java, and ' {} ' is required.

Package Main

Import "FMT"

Func Main () {

Sum: =0

For i:= 0; I < 10; i++ {

sum+= I

}

Fmt. PRINTLN (SUM)

}

Perform:

45

As in C or Java, you can leave the front and back statements empty.

Package Main

Import "FMT"

Func Main () {

Sum: =1

For sum< 1000 {

sum+= sum

}

Fmt. PRINTLN (SUM)

}

Based on this, you can omit the semicolon: C while in Go is called ' for '.

Package Main

Import "FMT"

Func Main () {

Sum: =1

For sum< 1000 {

sum+= sum

}

Fmt. PRINTLN (SUM)

}

Dead loop

If the loop condition is omitted, the loop does not end, so it is possible to express the dead loop in a more concise form.

Package Main

Func Main () {

for {

}

}