Trait HKT3
fp_core::hkt
pub trait HKT3<U1, U2> { type Current1; type Current2; type Target; }
type Current1
type Current2
type Target
impl<T1, T2, U1, U2> HKT3<U1, U2> for HashMap<T1, T2>
type Current1 = T1
type Current2 = T2
type Target = HashMap<U1, U2>