switch in Igor Pro

A numeric switch, where a case without break falls into the next one.

Function/S ModeName(Variable mode)
    switch (mode)
        case 0:
            return "lines"
        case 1:
            return "markers"
        case 2:
        case 3:
            return "bars"
        default:
            return "unknown"
    endswitch
End

How it works

1. switch compares numbers and closes with endswitch.
2. A case without break falls through, which is sometimes the point.
3. default catches everything else and is worth writing.

Keywords and builtins used here

• End
• Function
• Variable
• case
• default
• endswitch
• return
• switch

The run, in numbers

Lines

13

Characters to type

166

Tokens

35

Three-star pace

75 tpm

At the three-star pace of 75 tokens a minute, this run takes about 28 seconds.

Type this snippet

Step 3 of 4 in Flow control, step 10 of 18 in Language basics.

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