# NOT RUN {
a = 1
b = "text"
qqcat("a = @{a}, b = '@{b}'\n")
qqcat("a = `a`, b = '`b`'\n", code.pattern = "`CODE`")
qq.options("cat_prefix" = function(x) format(Sys.time(), "[%Y-%m-%d %H:%M:%S] "))
qqcat("a = @{a}, b = '@{b}'\n")
Sys.sleep(2)
qqcat("a = @{a}, b = '@{b}'\n")
qq.options(RESET = TRUE)
# }
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