[−][src]Function gluon_base::merge::merge3
pub fn merge3<F, A: ?Sized, B: ?Sized, C: ?Sized, R>(
a_original: &A,
a: Option<A::Owned>,
b_original: &B,
b: Option<B::Owned>,
c_original: &C,
c: Option<C::Owned>,
f: F
) -> Option<R> where
A: ToOwned,
B: ToOwned,
C: ToOwned,
F: FnOnce(A::Owned, B::Owned, C::Owned) -> R,