Crossword Genius

This compiler's rank keeping style excessive (10)

Ross

I believe the answer is:

immoderate

I'm a little stuck... Click here to teach me more about this clue!

'excessive' is the definition.
(similar in meaning)

'this compiler's rank keeping style' is the wordplay.
I cannot quite see how this works, but
'compiler's' could be 'im' (I've seen this in other clues) and 'im' is located in the answer.
'rank' could be 'rate' (synonyms) and 'rate' is found in the answer.
'style' could be 'mode' (synonyms) and 'mode' is found within the answer.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for immoderate that I've seen before include "Excessive" , "over the top" , "Extravagant" , "Reckless" .)

I've seen this clue in The Telegraph.
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