编织此代码片段时:
<<test>>=
f <- function(
x, #arg description
y) x*y
f(3, 4)
@
我得到了错误:
label: test
Warning in block_exec(params) :
failed to tidy R code in chunk <test>
reason: Error in base::parse(text = code, srcfile = NULL) :
2:5: unexpected SPECIAL
1: f <- functi