Add multi-file support

Author: matt-cornell

cobalt-build/src/build.rs

@@ -207,7 +207,7 @@ impl<'de> Deserialize<'de> for Dependency {
         deserializer.deserialize_any(DepVisitor)
     }
 }
-fn clear_mod(this: &mut HashMap<String, Symbol>) {
+pub fn clear_mod(this: &mut HashMap<String, Symbol>) {
     for (_, sym) in this.iter_mut() {
         sym.1.export = false;
         match sym {

cobalt-build/src/lib.rs

@@ -12,6 +12,7 @@ use std::io::{self, prelude::*, ErrorKind};
 use path_calculate::*;
 use std::path::{Path, PathBuf};
 use cobalt_errors::error;
+pub use build::clear_mod;
 
 #[derive(Debug, Error)]
 #[error("compiler errors were encountered")]