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Int.rem

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This commit is contained in:
Chad Stearns 2020-05-13 04:27:08 -04:00
parent 575202d6e4
commit 7df4771f7b
6 changed files with 128 additions and 12 deletions
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16
compiler/builtins/src/std.rs
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@ -176,6 +176,12 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
types.insert(symbol, (typ, Region::zero()));
};
fn div_by_zero() -> SolvedType {
SolvedType::TagUnion(
vec![(TagName::Global("DivByZero".into()), vec![])],
Box::new(SolvedType::Wildcard),
)
}
// Num module
// add or (+) : Num a, Num a -> Num a
@ -309,16 +315,18 @@ pub fn types() -> MutMap<Symbol, (SolvedType, Region)> {
SolvedType::Func(vec![int_type(), int_type()], Box::new(int_type())),
);
let div_by_zero = SolvedType::TagUnion(
vec![(TagName::Global("DivByZero".into()), vec![])],
Box::new(SolvedType::Wildcard),
// rem : Int, Int -> Int
add_type(
Symbol::INT_REM_UNSAFE,
SolvedType::Func(vec![int_type(), int_type()], Box::new(int_type())),
);
// mod : Int, Int -> Result Int [ DivByZero ]*
add_type(
Symbol::INT_MOD,
SolvedType::Func(
vec![int_type(), int_type()],
Box::new(result_type(flex(TVAR1), div_by_zero)),
Box::new(result_type(flex(TVAR1), div_by_zero())),
),
);