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Allow rustdoc to accept vector pattern arguments

This commit is contained in:
Brendan Zabarauskas 2015-01-04 17:52:08 +11:00
parent 496dc4eae7
commit afdddefc10
1 changed files with 6 additions and 2 deletions
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8
src/librustdoc/clean/mod.rs
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@ -2243,8 +2243,12 @@ fn name_from_pat(p: &ast::Pat) -> String {
},
PatRange(..) => panic!("tried to get argument name from PatRange, \
which is not allowed in function arguments"),
PatVec(..) => panic!("tried to get argument name from pat_vec, \
which is not allowed in function arguments"),
PatVec(ref begin, ref mid, ref end) => {
let begin = begin.iter().map(|p| name_from_pat(&**p));
let mid = mid.as_ref().map(|p| format!("..{}", name_from_pat(&**p))).into_iter();
let end = end.iter().map(|p| name_from_pat(&**p));
format!("[{}]", begin.chain(mid).chain(end).collect::<Vec<_>>().connect(", "))
},
PatMac(..) => {
warn!("can't document the name of a function argument \
produced by a pattern macro");