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Fix bug in the transaction example #2667

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merged 4 commits into from Feb 28, 2022
Merged

Fix bug in the transaction example #2667

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91356aa
Fix bug in the transaction example
sabercom Feb 21, 2022
ad654c6
Fix bug in the transaction example
sabercom Feb 21, 2022
6fc3d96
Merge branch 'main' into patch-1
i-walker Feb 26, 2022
8ab788f
Run knit to update the generated documentation
Wenkai-Yuan Feb 27, 2022
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4 changes: 2 additions & 2 deletions arrow-libs/fx/arrow-fx-stm/src/commonMain/kotlin/arrow/fx/stm/STM.kt
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Expand Up @@ -55,7 +55,7 @@ import arrow.fx.stm.internal.lookupHamtWithHash
*
* fun STM.withdraw(acc: TVar<Int>, amount: Int): Unit {
* val current = acc.read()
* if (current - amount >= 0) acc.write(current + amount)
* if (current - amount >= 0) acc.write(current - amount)
* else throw IllegalStateException("Not enough money in the account!")
* }
* //sampleEnd
Expand Down Expand Up @@ -112,7 +112,7 @@ import arrow.fx.stm.internal.lookupHamtWithHash
*
* fun STM.withdraw(acc: TVar<Int>, amount: Int): Unit {
* val current = acc.read()
* if (current - amount >= 0) acc.write(current + amount)
* if (current - amount >= 0) acc.write(current - amount)
* else retry() // we now retry if there is not enough money in the account
* // this can also be achieved by using `check(current - amount >= 0); acc.write(it + amount)`
* }
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