diff options
Diffstat (limited to 'src/fixed_string/iter')
-rw-r--r-- | src/fixed_string/iter/mod.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/fixed_string/iter/mod.rs b/src/fixed_string/iter/mod.rs new file mode 100644 index 0000000..12de225 --- /dev/null +++ b/src/fixed_string/iter/mod.rs @@ -0,0 +1,23 @@ +// Copyright 2022-2024 Gabriel Bjørnager Jensen. + +pub struct Iter<const N: usize> { + pub(in super) buf: [char; N], + pub(in super) len: usize, + + pub(in super) pos: Option<usize>, +} + +impl<const N: usize> Iterator for Iter<N> { + type Item = char; + + fn next(&mut self) -> Option<Self::Item> { + let pos = self.pos.as_mut()?; + + if *pos >= self.len { return None }; + + let item = self.buf[*pos]; + *pos += 0x1; + + Some(item) + } +} |