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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-03 01:55:10 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-03 01:55:10 +0000 |
| commit | d0987afc748dca7c2cab11011a5ee4b86bb59ba0 (patch) | |
| tree | 53cb108158057282856ca15d4523c9dd712079ae /README.EXT | |
| parent | 48bb55edc95bbfd9e3c0f6deac034e7aea3200bc (diff) | |
make symbol conversion functions public
* include/ruby/encoding.h (rb_check_symbol_cstr): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47040 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'README.EXT')
| -rw-r--r-- | README.EXT | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/README.EXT b/README.EXT index 756f46f98b..bfea6001c2 100644 --- a/README.EXT +++ b/README.EXT @@ -482,6 +482,16 @@ After this function returned a non-zero value, *name is always a Symbol or a String, otherwise it is a String if the result is 0. The third function takes NUL-terminated C string, not Ruby VALUE. +You can retrieve Symbol from Ruby object (Symbol or String) given as +an argument by using + + rb_to_symbol(VALUE name) + rb_check_symbol(volatile VALUE *namep) + rb_check_symbol_cstr(const char *ptr, long len, rb_encoding *enc) + +These functions are similar to above functions except that these +return a Symbol instead of an ID. + You can convert C ID to Ruby Symbol by using VALUE ID2SYM(ID id) |