Say I am debugging. Say I need to know what the value of [somevariable count]
How would I do so?
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If what you want to do is know the value of the expression while program execution is halted, then do something like
in the gdb console.
Note:
People searching for the term “watch” might be expecting an answer about being able to observe when a value changes. For that question these are some answers that are more appropriate:
Watching variables in Xcode
Xcode LLDB watchpoints