Implement black hole register (#1165)

pull/1169/head
ath3 3 years ago committed by GitHub
parent 103b5125e4
commit 1d773bcefb
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GPG Key ID: 4AEE18F83AFDEB23

@ -23,8 +23,10 @@ If there is a selected register before invoking a change or delete command, the
| `/` | Last search | | `/` | Last search |
| `:` | Last executed command | | `:` | Last executed command |
| `"` | Last yanked text | | `"` | Last yanked text |
| `_` | Black hole |
> There is no special register for copying to system clipboard, instead special commands and keybindings are provided. See the [keymap](keymap.md#space-mode) for the specifics. > There is no special register for copying to system clipboard, instead special commands and keybindings are provided. See the [keymap](keymap.md#space-mode) for the specifics.
> The black hole register works as a no-op register, meaning no data will be written to / read from it.
## Surround ## Surround

@ -15,7 +15,11 @@ impl Register {
} }
pub fn new_with_values(name: char, values: Vec<String>) -> Self { pub fn new_with_values(name: char, values: Vec<String>) -> Self {
Self { name, values } if name == '_' {
Self::new(name)
} else {
Self { name, values }
}
} }
pub const fn name(&self) -> char { pub const fn name(&self) -> char {
@ -27,11 +31,15 @@ impl Register {
} }
pub fn write(&mut self, values: Vec<String>) { pub fn write(&mut self, values: Vec<String>) {
self.values = values; if self.name != '_' {
self.values = values;
}
} }
pub fn push(&mut self, value: String) { pub fn push(&mut self, value: String) {
self.values.push(value); if self.name != '_' {
self.values.push(value);
}
} }
} }

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