pub fn implicit_cst(
t1: impl Into<MonomorphicType>,
ctx: impl Into<HashSet<TVar>>,
t2: impl Into<MonomorphicType>,
) -> Constraint
pub fn implicit_cst(
t1: impl Into<MonomorphicType>,
ctx: impl Into<HashSet<TVar>>,
t2: impl Into<MonomorphicType>,
) -> Constraint