Attribute Macro butane::butane_type
source · #[butane_type]
Expand description
Attribute macro which marks a type as being available to butane for use in models.
May be used on type aliases, structs, or enums. Except when used on type aliases, it must be given a parameter specifying the SqlType it can be converted to.
E.g.
ⓘ
#[butane_type]
pub type CurrencyAmount = f64;
#[butane_type(Text)]
pub enum Currency {
Dollars,
Pounds,
Euros,
}
impl ToSql for Currency {
fn to_sql(&self) -> SqlVal {
SqlVal::Text(
match self {
Self::Dollars => "dollars",
Self::Pounds => "pounds",
Self::Euros => "euros",
}
.to_string())
}
}