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//! Settings for tweaking assists.
//!
//! The fun thing here is `SnippetCap` -- this type can only be created in this
//! module, and we use to statically check that we only produce snippet
//! assists if we are allowed to.
use hir::PrefixKind;
use crate::{utils::MergeBehaviour, AssistKind};
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct AssistConfig {
pub snippet_cap: Option<SnippetCap>,
pub allowed: Option<Vec<AssistKind>>,
pub insert_use: InsertUseConfig,
}
impl AssistConfig {
pub fn allow_snippets(&mut self, yes: bool) {
self.snippet_cap = if yes { Some(SnippetCap { _private: () }) } else { None }
}
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct SnippetCap {
_private: (),
}
impl Default for AssistConfig {
fn default() -> Self {
AssistConfig {
snippet_cap: Some(SnippetCap { _private: () }),
allowed: None,
insert_use: InsertUseConfig::default(),
}
}
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct InsertUseConfig {
pub merge: Option<MergeBehaviour>,
pub prefix_kind: PrefixKind,
}
impl Default for InsertUseConfig {
fn default() -> Self {
InsertUseConfig { merge: Some(MergeBehaviour::Full), prefix_kind: PrefixKind::Plain }
}
}
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