fn lint_unnecessary_cast(cx: &LateContext<'_>, expr: &Expr<'_>, literal_str: &str, cast_from: Ty<'_>, cast_to: Ty<'_>) {
let literal_kind_name = if cast_from.is_integral() { "integer" } else { "float" };
+ let replaced_literal;
+ let matchless = if literal_str.contains(['(', ')']) {
+ replaced_literal = literal_str.replace(['(', ')'], "");
+ &replaced_literal
+ } else {
+ literal_str
+ };
span_lint_and_sugg(
cx,
UNNECESSARY_CAST,
expr.span,
&format!("casting {} literal to `{}` is unnecessary", literal_kind_name, cast_to),
"try",
- format!("{}_{}", literal_str.trim_end_matches('.'), cast_to),
+ format!("{}_{}", matchless.trim_end_matches('.'), cast_to),
Applicability::MachineApplicable,
);
}