let fn_name = format!("is_{}", &to_lower_snake_case(&variant_name.text()));
// Return early if we've found an existing new fn
- let impl_def = find_struct_impl(ctx, &parent_enum, &fn_name)?;
+ let impl_def = find_struct_impl(ctx, &parent_enum, &[fn_name.clone()])?;
let target = variant.syntax().text_range();
acc.add_group(
"Generate an `is_` method for this enum variant",
target,
|builder| {
- let vis = parent_enum.visibility().map_or(String::new(), |v| format!("{} ", v));
+ let vis = parent_enum.visibility().map_or(String::new(), |v| format!("{v} "));
let method = format!(
- " /// Returns `true` if the {} is [`{variant}`].
+ " /// Returns `true` if the {enum_lowercase_name} is [`{variant_name}`].
///
- /// [`{variant}`]: {}::{variant}
+ /// [`{variant_name}`]: {enum_name}::{variant_name}
#[must_use]
- {}fn {}(&self) -> bool {{
- matches!(self, Self::{variant}{})
+ {vis}fn {fn_name}(&self) -> bool {{
+ matches!(self, Self::{variant_name}{pattern_suffix})
}}",
- enum_lowercase_name,
- enum_name,
- vis,
- fn_name,
- pattern_suffix,
- variant = variant_name
);
add_method_to_adt(builder, &parent_enum, impl_def, &method);