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grand module rename

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This commit is contained in:
Aleksey Kladov 2018-12-08 19:30:35 +03:00
parent 93c0b7d794
commit 4cbc902fcc
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26
crates/ra_syntax/src/algo/mod.rs
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@ -1,26 +0,0 @@
pub mod visit;
use crate::{SyntaxNode, SyntaxNodeRef, TextRange, TextUnit};
pub use rowan::LeafAtOffset;
pub fn find_leaf_at_offset(node: SyntaxNodeRef, offset: TextUnit) -> LeafAtOffset<SyntaxNodeRef> {
match node.0.leaf_at_offset(offset) {
LeafAtOffset::None => LeafAtOffset::None,
LeafAtOffset::Single(n) => LeafAtOffset::Single(SyntaxNode(n)),
LeafAtOffset::Between(l, r) => LeafAtOffset::Between(SyntaxNode(l), SyntaxNode(r)),
}
}
pub fn find_covering_node(root: SyntaxNodeRef, range: TextRange) -> SyntaxNodeRef {
SyntaxNode(root.0.covering_node(range))
}
pub fn generate<T>(seed: Option<T>, step: impl Fn(&T) -> Option<T>) -> impl Iterator<Item = T> {
::itertools::unfold(seed, move |slot| {
slot.take().map(|curr| {
*slot = step(&curr);
curr
})
})
}