move core result into core utils

Signed-off-by: Jason Volk <jason@zemos.net>

src/core/utils/result.rs

@@ -0,0 +1,15 @@
+mod debug_inspect;
+mod flat_ok;
+mod into_is_ok;
+mod log_debug_err;
+mod log_err;
+mod map_expect;
+mod not_found;
+mod unwrap_infallible;
+
+pub use self::{
+	debug_inspect::DebugInspect, flat_ok::FlatOk, into_is_ok::IntoIsOk, log_debug_err::LogDebugErr, log_err::LogErr,
+	map_expect::MapExpect, not_found::NotFound, unwrap_infallible::UnwrapInfallible,
+};
+
+pub type Result<T = (), E = crate::Error> = std::result::Result<T, E>;