matches!(param, hir::GenericParam::TypeParam(_) | hir::GenericParam::ConstParam(_))
})
.count();
- let fish_head = std::iter::repeat("_").take(number_of_arguments).collect::<Vec<_>>().join(",");
acc.add(
AssistId("add_turbo_fish", AssistKind::RefactorRewrite),
ident.text_range(),
|builder| match ctx.config.snippet_cap {
Some(cap) => {
- let snip = format!("::<${{0:{}}}>", fish_head);
+ let snip = format!("::<{}>", get_snippet_fish_head(number_of_arguments));
builder.insert_snippet(cap, ident.text_range().end(), snip)
}
None => {
+ let fish_head =
+ std::iter::repeat("_").take(number_of_arguments).collect::<Vec<_>>().join(", ");
let snip = format!("::<{}>", fish_head);
builder.insert(ident.text_range().end(), snip);
}
)
}
+/// This will create a snippet string with tabstops marked
+fn get_snippet_fish_head(number_of_arguments: usize) -> String {
+ let mut fish_head = String::new();
+ let mut i = 1;
+ while i < number_of_arguments {
+ fish_head.push_str(&format!("${{{}:_}},", i));
+ i = i + 1;
+ }
+
+ // tabstop 0 is a special case and always the last one
+ fish_head.push_str("${0:_}");
+ fish_head
+}
+
#[cfg(test)]
mod tests {
use crate::tests::{check_assist, check_assist_by_label, check_assist_not_applicable};
r#"
fn make<T, A>() -> T {}
fn main() {
- make::<${0:_,_}>();
+ make::<${1:_},${0:_}>();
}
"#,
);
r#"
fn make<T, A, B, C, D, E, F>() -> T {}
fn main() {
- make::<${0:_,_,_,_,_,_,_}>();
+ make::<${1:_},${2:_},${3:_},${4:_},${5:_},${6:_},${0:_}>();
}
"#,
);
r#"
fn make<'a, T, A>(t: T, a: A) {}
fn main() {
- make::<${0:_,_}>(5, 2);
+ make::<${1:_},${0:_}>(5, 2);
}
"#,
);
r#"
fn make<T, const N: usize>(t: T) {}
fn main() {
- make::<${0:_,_}>(3);
+ make::<${1:_},${0:_}>(3);
}
"#,
);