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-rw-r--r--include/ruby/internal/intern/hash.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/include/ruby/internal/intern/hash.h b/include/ruby/internal/intern/hash.h
index 9d2ce8279a..af8dfd5d8f 100644
--- a/include/ruby/internal/intern/hash.h
+++ b/include/ruby/internal/intern/hash.h
@@ -107,6 +107,17 @@ VALUE rb_hash(VALUE obj);
VALUE rb_hash_new(void);
/**
+ * Identical to rb_hash_new(), except it additionally specifies how many keys
+ * it is expected to contain. This way you can create a hash that is large enough
+ * for your need. For large hashes it means it won't need to be reallocated and
+ * rehashed as much, improving performance.
+ *
+ * @param[in] capa Designed capacity of the hash.
+ * @return An empty Hash, whose capacity is `capa`.
+ */
+VALUE rb_hash_new_capa(long capa);
+
+/**
* Duplicates a hash.
*
* @param[in] hash An instance of ::rb_cHash.
@@ -288,15 +299,6 @@ int rb_path_check(const char *path);
/* hash.c */
/**
- * @deprecated This function once was a thing in the old days, but makes no
- * sense any longer today. Exists here for backwards
- * compatibility only. You can safely forget about it.
- *
- * @return 0 always.
- */
-int rb_env_path_tainted(void);
-
-/**
* Destructively removes every environment variables of the running process.
*
* @return The `ENV` object.