nobu	2015-07-15 10:29:37 +0900 (Wed, 15 Jul 2015)

  New Revision: 51248

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=51248

  Log:
    string.c: remove redundant calls
    
    * string.c (rb_str_enumerate_bytes, rb_str_enumerate_codepoints):
      do not check if a block is given twice.  RETURN_SIZED_ENUMERATOR
      includes rb_block_given_p() check which is redundant here.

  Modified files:
    trunk/string.c
Index: string.c
===================================================================
--- string.c	(revision 51247)
+++ string.c	(revision 51248)
@@ -6878,7 +6878,7 @@ rb_str_enumerate_bytes(VALUE str, int wa https://github.com/ruby/ruby/blob/trunk/string.c#L6878
 	if (wantarray)
 	    ary = rb_ary_new2(RSTRING_LEN(str));
 	else
-	    RETURN_SIZED_ENUMERATOR(str, 0, 0, rb_str_each_byte_size);
+	    return SIZED_ENUMERATOR(str, 0, 0, rb_str_each_byte_size);
     }
 
     for (i=0; i<RSTRING_LEN(str); i++) {
@@ -7071,7 +7071,7 @@ rb_str_enumerate_codepoints(VALUE str, i https://github.com/ruby/ruby/blob/trunk/string.c#L7071
 	if (wantarray)
 	    ary = rb_ary_new_capa(str_strlen(str, enc)); /* str's enc*/
 	else
-	    RETURN_SIZED_ENUMERATOR(str, 0, 0, rb_str_each_char_size);
+	    return SIZED_ENUMERATOR(str, 0, 0, rb_str_each_char_size);
     }
 
     while (ptr < end) {

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