How to have different dependencies depending on OS family

As far as I read the docs here, this should now work:

[target.'cfg(unix)'.dependencies]
abc-sys = "*"
def = "*"

[target.'cfg(windows)'.dependencies]
abc-win = "*"

# macos dependencies

[target.'cfg(target_os = "macos")'.dependencies]
dep1 = "*"
dep2 = "*"

# windows dependencies

[target.'cfg(target_os = "windows")'.dependencies]
dep3 = "*"
dep4 = "*"

# regular dependencies

[dependencies] 
dep5 = "*"
dep6 = "*"