iowo/src/builtins/mod.rs

38 lines
1.1 KiB
Rust

use crate::namespace::{typedef::TypeDef, GlobalNamespace};
pub const TYPE_INTEGER: &str = "int";
pub const TYPE_FLOAT: &str = "float";
pub const TYPE_STRING: &str = "string";
pub const TRAIT_NUMERIC: &str = "Num";
pub const CMD_ADD: &str = "add";
#[allow(
clippy::unwrap_used,
reason = "Errs can only be returned in case of duplicate names in the same namespace, which will not happen here"
)]
#[allow(clippy::missing_panics_doc, reason = "will not panic")]
pub fn initialise_globals() -> GlobalNamespace {
let ns = GlobalNamespace::init();
let numeric = ns.register_trait(TRAIT_NUMERIC).unwrap();
ns.register_type(TYPE_INTEGER).unwrap().add_trait(&numeric);
ns.register_type(TYPE_FLOAT).unwrap().add_trait(&numeric);
ns.register_type(TYPE_STRING).unwrap();
// def math add [ Numeric Numeric ] -> Numeric
ns.register_command(
CMD_ADD,
Some(TypeDef::List(vec![
TypeDef::Trait(numeric),
TypeDef::Trait(numeric),
])),
Some(TypeDef::Trait(numeric)),
)
.unwrap();
ns
}