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feat: Add map function to TextRangePropertyValue<Option<T>> #632

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Merged
merged 1 commit into from
Nov 6, 2025
Merged

feat: Add map function to TextRangePropertyValue<Option<T>> #632

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29 changes: 29 additions & 0 deletions consumer/src/text.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -501,6 +501,18 @@ pub enum RangePropertyValue<T: alloc::fmt::Debug + PartialEq> {
Mixed,
}

impl<T: alloc::fmt::Debug + PartialEq> RangePropertyValue<Option<T>> {
pub fn map<U: alloc::fmt::Debug + PartialEq>(
self,
f: impl FnOnce(T) -> U,
) -> RangePropertyValue<Option<U>> {
match self {
Self::Single(value) => RangePropertyValue::Single(value.map(f)),
Self::Mixed => RangePropertyValue::Mixed,
}
}
}

#[derive(Clone, Copy)]
pub struct Range<'a> {
pub(crate) node: Node<'a>,
Expand Down Expand Up @@ -2287,4 +2299,21 @@ mod tests {
let node = state.node_by_id(NodeId(1)).unwrap();
let _ = node.text_selection().unwrap();
}

#[test]
fn range_property_value_map() {
use super::RangePropertyValue;
assert_eq!(
RangePropertyValue::Single(Some(0)).map(|x| x + 1),
RangePropertyValue::Single(Some(1))
);
assert_eq!(
RangePropertyValue::<Option<usize>>::Single(None).map(|x| x + 1),
RangePropertyValue::Single(None)
);
assert_eq!(
RangePropertyValue::<Option<usize>>::Mixed.map(|x| x + 1),
RangePropertyValue::Mixed
);
}
}