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StringRange - differentiate between arrays and pointer constructors

master
Daniel Kolesa 2015-07-21 20:19:27 +01:00
parent 852ae9ea37
commit 5d36b5663c
1 changed files with 12 additions and 1 deletions
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13
ostd/string.hh
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@ -13,6 +13,7 @@
#include "ostd/range.hh"
#include "ostd/vector.hh"
#include "ostd/functional.hh"
#include "ostd/type_traits.hh"
namespace ostd {
static constexpr Size npos = -1;
@ -26,8 +27,18 @@ struct StringRangeBase: InputRange<
StringRangeBase() = delete;
StringRangeBase(T *beg, T *end): p_beg(beg), p_end(end) {}
StringRangeBase(T *beg, Size n): p_beg(beg), p_end(beg + n) {}
/* TODO: traits for utf-16/utf-32 string lengths, for now assume char */
StringRangeBase(T *beg): p_beg(beg), p_end(beg + strlen(beg)) {}
template<typename U>
StringRangeBase(U beg, EnableIf<
IsConvertible<U, T *>::value && !IsArray<U>::value, bool
> = true): p_beg(beg), p_end((T *)beg + strlen(beg)) { printf("ptr\n"); }
template<typename U, Size N>
StringRangeBase(U (&beg)[N], EnableIf<
IsConvertible<U *, T *>::value, bool
> = true): p_beg(beg),
p_end(beg + N - (beg[N - 1] == '\0')) { printf("arr\n"); }
template<typename A>
StringRangeBase(const StringBase<T, A> &s): p_beg(s.data()),