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9821c4dd3b
Checked the ASM output for these three options:
pub enum Operation {
/// Move cursor by n characters.
Retain(usize),
/// Delete n characters.
Delete(usize),
/// Insert text at position.
Insert(String),
}
pub struct A {
changes: Vec<Operation>,
len: usize,
}
impl A {
pub fn is_empty1(&self) -> bool {
match self.changes.as_slice() {
[] => true,
[Operation::Retain(_)] => true,
_ => false,
}
}
/// `true` when the set is empty.
pub fn is_empty2(&self) -> bool {
let len = self.changes.len();
len == 0
|| (
len == 1
&& self.changes[0] == Operation::Retain(self.len)
)
}
pub fn is_empty3(&self) -> bool {
match self.changes.as_slice() {
[] | [Operation::Retain(_)] => true,
_ => false
}
}
}
|
3 years ago | |
|---|---|---|
| .github/workflows | 4 years ago | |
| doc | 3 years ago | |
| helix-core | 3 years ago | |
| helix-lsp | 3 years ago | |
| helix-syntax | 3 years ago | |
| helix-term | 3 years ago | |
| helix-view | 3 years ago | |
| .envrc | 3 years ago | |
| .gitignore | 3 years ago | |
| .gitmodules | 4 years ago | |
| Cargo.lock | 3 years ago | |
| Cargo.toml | 4 years ago | |
| README.md | 3 years ago | |
| TODO.md | 3 years ago | |
| flake.lock | 3 years ago | |
| flake.nix | 3 years ago | |
| shell.nix | 3 years ago | |
README.md
Helix
| Crate | Description |
|---|---|
| helix-core | Core editing primitives, functional. |
| helix-syntax | Tree-sitter grammars |
| helix-view | UI abstractions for use in backends, imperative shell. |
| helix-term | Terminal UI |
Installation
git clone --depth 1 --recurse-submodules -j8 https://github.com/helix-editor/helix
cd helix
cargo install --path helix-term
This will install the hx binary to $HOME/.cargo/bin.