add doc comment

This commit is contained in:
Aleksey Kladov 2019-10-29 16:03:29 +03:00
parent 7de6eaa58a
commit 1ec418c3b8

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@ -1,3 +1,5 @@
//! Defines database & queries for macro expansion.
use std::sync::Arc; use std::sync::Arc;
use mbe::MacroRules; use mbe::MacroRules;