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Pinescript var behaviour
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| // This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/ | |
| // © mrinalrajubereats1 | |
| //@version=6 | |
| indicator("My script") | |
| log.info("\n########### Day starts ###########") | |
| func1() => | |
| var a = 0 | |
| a += 1 | |
| log.info("Value of a in func1: {0}", str.tostring(a)) | |
| a | |
| func1Result = func1() // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 3477 | |
| func2Result = func1() // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 3477 | |
| log.info("--------- Loop starts ---------") | |
| for i = 0 to 1 | |
| x = func1() | |
| log.info("\n########### Day ends ###########") | |
| // Output: | |
| // [2025-01-09T09:15:00.000+05:30]: | |
| // ########### Day starts ########### | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 3476 | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 3476 | |
| // [2025-01-09T09:15:00.000+05:30]: --------- Loop starts --------- | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 6951 | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 6952 | |
| // [2025-01-09T09:15:00.000+05:30]: | |
| // ########### Day ends ########### | |
| // [2025-01-10T09:15:00.000+05:30]: | |
| // ########### Day starts ########### | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 3477 | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 3477 | |
| // [2025-01-10T09:15:00.000+05:30]: --------- Loop starts --------- | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 6953 | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 6954 | |
| // [2025-01-10T09:15:00.000+05:30]: | |
| // ########### Day ends ###########[2025-01-09T09:15:00.000+05:30]: | |
| // ########### Day starts ########### | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 3476 | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 3476 | |
| // [2025-01-09T09:15:00.000+05:30]: --------- Loop starts --------- | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 6951 | |
| // [2025-01-09T09:15:00.000+05:30]: Value of a in func1: 6952 | |
| // [2025-01-09T09:15:00.000+05:30]: | |
| // ########### Day ends ########### | |
| // [2025-01-10T09:15:00.000+05:30]: | |
| // ########### Day starts ########### | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 3477 | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 3477 | |
| // [2025-01-10T09:15:00.000+05:30]: --------- Loop starts --------- | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 6953 | |
| // [2025-01-10T09:15:00.000+05:30]: Value of a in func1: 6954 | |
| // [2025-01-10T09:15:00.000+05:30]: | |
| // ########### Day ends ########### |
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| //@version=5 | |
| indicator(title='UT Bot Stochastic RSI', overlay=true) | |
| fun(num) => | |
| var counter = 1 | |
| counter := counter + num | |
| log.info("num=" + str.tostring(num) + " counter=" + str.tostring(counter)) | |
| fun(1) | |
| fun(10) | |
| // [2011-09-26T03:45:00.000-00:00]: num=1 counter=2 | |
| // [2011-09-26T03:45:00.000-00:00]: num=10 counter=11 | |
| // [2011-09-27T03:45:00.000-00:00]: num=1 counter=3 | |
| // [2011-09-27T03:45:00.000-00:00]: num=10 counter=21 | |
| // [2011-09-28T03:45:00.000-00:00]: num=1 counter=4 | |
| // [2011-09-28T03:45:00.000-00:00]: num=10 counter=31 | |
| // [2011-09-29T03:45:00.000-00:00]: num=1 counter=5 | |
| // [2011-09-29T03:45:00.000-00:00]: num=10 counter=41 | |
| // This shows that the var variable is not shared between the functions. Each function call has var in its own scope |
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