Go
'defer' in the loop
Info
Performance
New
Last modified: 03 December 2024 Reports defer
statements inside loops.
Using defer
in loops can lead to resource leaks or unpredictable execution order of statements.
Example:
func main() {
for {
field, err := db.Query("SELECT 1")
if err != nil {
// ...
}
defer field.Close()
// ...
}
}
Calls of defer row.Close()
inside the loop are not executed until the function completes its execution. Not at the end of each step of the for
loop. Such implementation might lead to overflow of the function's stack and other issues.
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
GoDeferInLoop
Inspection Details | |
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By default bundled with: | |
Can be installed with plugin: | Go, 243.23131 |
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