Output

CL++ 0.3.2 I/O is post / warn / report. Those emit Roblox print / warn / error. Do not write print, error, or cout in CL++ source.

post("ok");
warn("careful");
report("fail");
post("EnsureStat: " .: name .: " not found");
post("hello, " .: player.Name);

print("ok")
warn("careful")
error("fail")
print("EnsureStat: " .. name .. " not found")
print("hello, " .. player.Name)

CL++	Luau
post(...)	print(...)
warn(...)	warn(...)
report(...)	error(...)
to_string(x)	tostring(x)
to_number(x)	tonumber(x) (fail → nil)
to_bool(x)	not not x

Concat with .:, never + and never Luau .. in CL++ source.

#include <clpp/roblox.clh> declares these builtins for IntelliSense.