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-rw-r--r--src/runtime/c/pgf/expr.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/expr.h b/src/runtime/c/pgf/expr.h
index 3d07ce863..bcfaee52c 100644
--- a/src/runtime/c/pgf/expr.h
+++ b/src/runtime/c/pgf/expr.h
@@ -166,6 +166,12 @@ pgf_expr_eq(PgfExpr e1, PgfExpr e2);
bool
pgf_type_eq(PgfType* t1, PgfType* t2);
+GuHash
+pgf_literal_hash(GuHash h, PgfLiteral lit);
+
+GuHash
+pgf_expr_hash(GuHash h, PgfExpr e);
+
typedef struct PgfPrintContext PgfPrintContext;
struct PgfPrintContext {