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-rw-r--r--include/mruby.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/mruby.h b/include/mruby.h
index 7deb3cbe2..55505a213 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -1186,6 +1186,7 @@ MRB_API void mrb_gc_unregister(mrb_state *mrb, mrb_value obj);
MRB_API mrb_value mrb_to_int(mrb_state *mrb, mrb_value val);
#define mrb_int(mrb, val) mrb_fixnum(mrb_to_int(mrb, val))
+/* string type checking (contrary to the name, it doesn't convert) */
MRB_API mrb_value mrb_to_str(mrb_state *mrb, mrb_value val);
MRB_API void mrb_check_type(mrb_state *mrb, mrb_value x, enum mrb_vtype t);