Pedantically, colored functions in Go might be ones that produce their output on a channel rather than returning a value. Then, you need select/for-range/<- to get their result, similar to “await”.
Practically, the runtime’s ability to suspend and move goroutines around means that the impact of that (niche/rarely appropriate as a default approach) kind of coloring is much less in Go than in other languages.
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Pedantically, colored functions in Go might be ones that produce their output on a channel rather than returning a value. Then, you need select/for-range/<- to get their result, similar to “await”.
Practically, the runtime’s ability to suspend and move goroutines around means that the impact of that (niche/rarely appropriate as a default approach) kind of coloring is much less in Go than in other languages.
That has no propagation up the stack at all. Whether a child function does or does not use channels has no effect on the parent.