[fine] OK

fine/tests/example_tests.rs

@@ -1,6 +1,6 @@
 use fine::compiler::{compile, Function, Module};
 use fine::parser::SyntaxTree;
-use fine::semantics::{Semantics, Type};
+use fine::semantics::{check, Error, Semantics, Type};
 use fine::tokens::Lines;
 use pretty_assertions::assert_eq;
 use std::fmt::Write as _;
@@ -243,4 +243,19 @@ fn assert_compiles_to(tree: &SyntaxTree, lines: &Lines, expected: &str, source_p
     }
 }
 
+fn assert_no_errors(tree: &SyntaxTree, lines: &Lines) {
+    let semantics = Semantics::new(tree, lines);
+    check(&semantics);
+
+    let expected_errors: Vec<Error> = Vec::new();
+    let errors = semantics.snapshot_errors();
+    semantic_assert_eq!(
+        &semantics,
+        None,
+        expected_errors,
+        errors,
+        "expected no errors"
+    );
+}
+
 include!(concat!(env!("OUT_DIR"), "/generated_tests.rs"));