From a function, can I easily resolve which functi...

# reflect

[henrik]

From a function, can I easily resolve which function that called it?

[christophsturm]

Throwable().stackTrace[1].methodName

[henrik]

@christophsturm Thanks!

[henrik]

Any idea how expensive that is?

[christophsturm]

its not very expensive, but there is a newer api that you can use if you need the best performance: https://www.baeldung.com/java-9-stackwalking-api

[christophsturm]

as a rule of thumb i would use the not optimized version in test cases or in a test runner or assertion lib, but for production code i would use the stack walking

[henrik]

Good to know. Thanks!