Move skip_while helpers to selectors.hh

1 files changed, 14 insertions, 0 deletions

diff --git a/src/selectors.hh b/src/selectors.hh
index 41c7bc96..4ca23030 100644
--- a/src/selectors.hh
+++ b/src/selectors.hh
@@ -18,6 +18,20 @@ inline Selection keep_direction(Selection res, const Selection& ref)
     return res;
 }
 
+template<typename Iterator, typename EndIterator, typename T>
+void skip_while(Iterator& it, const EndIterator& end, T condition)
+{
+    while (it != end and condition(*it))
+        ++it;
+}
+
+template<typename Iterator, typename BeginIterator, typename T>
+void skip_while_reverse(Iterator& it, const BeginIterator& begin, T condition)
+{
+    while (it != begin and condition(*it))
+        --it;
+}
+
 using Utf8Iterator = utf8::iterator<BufferIterator, utf8::InvalidPolicy::Pass>;
 
 inline Selection utf8_range(const Utf8Iterator& first, const Utf8Iterator& last)