pub fn format_secs(mut value: f32, _: &dyn Values) -> askama::Result<String> {
value += 2.;
Ok(value.to_string())
}It fails because value doesn't keep its mut keyword:
error[E0384]: cannot assign to immutable argument `value`
--> src/web/page/templates.rs:162:17
|
162 | value += 2.;
| ^^^^^^^^^^^^^ cannot assign to immutable argument
It fails because
valuedoesn't keep itsmutkeyword: