Macro builder_string_setter 

macro_rules! builder_string_setter {
    ($field:ident, $doc:expr) => { ... };
}

Generates a string field setter method.

Creates a setter method that accepts impl AsRef<str>, converts it to String, wraps it in Some, and returns self for method chaining.

Arguments

• $field - The field name
• $doc - Documentation string for the setter

Examples

impl MessageBuilder {
    builder_string_setter!(name, "Sets the message name");
}

// Expands to:
// /// Sets the message name
// #[must_use = "builder method returns modified builder"]
// pub fn name(mut self, name: impl AsRef<str>) -> Self {
//     self.name = Some(name.as_ref().to_string());
//     self
// }