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feat(List): start contains function

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lrosa007 2020-11-04 21:09:15 -05:00
parent a83639a52a
commit 9269f1d8a7
8 changed files with 177 additions and 4 deletions
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25
compiler/can/src/builtins.rs
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@ -62,6 +62,7 @@ pub fn builtin_defs(var_store: &mut VarStore) -> MutMap<Symbol, Def> {
Symbol::LIST_REPEAT => list_repeat,
Symbol::LIST_REVERSE => list_reverse,
Symbol::LIST_CONCAT => list_concat,
Symbol::LIST_CONTAINS => list_contains,
Symbol::LIST_PREPEND => list_prepend,
Symbol::LIST_JOIN => list_join,
Symbol::LIST_MAP => list_map,
@ -1300,6 +1301,30 @@ fn list_keep_if(symbol: Symbol, var_store: &mut VarStore) -> Def {
)
}
// List.contains : List elem, elem, -> Bool
fn list_contains(symbol: Symbol, var_store: &mut VarStore) -> Def {
let list_var = var_store.fresh();
let elem_var = var_store.fresh();
let bool_var = var_store.fresh();
let body = RunLowLevel {
op: LowLevel::ListContains,
args: vec![
(list_var, Var(Symbol::ARG_1)),
(elem_var, Var(Symbol::ARG_2)),
],
ret_var: bool_var,
};
defn(
symbol,
vec![(list_var, Symbol::ARG_1), (elem_var, Symbol::ARG_2)],
var_store,
body,
bool_var,
)
}
/// List.map : List before, (before -> after) -> List after
fn list_map(symbol: Symbol, var_store: &mut VarStore) -> Def {
let list_var = var_store.fresh();