diff options
Diffstat (limited to 'object.c')
| -rw-r--r-- | object.c | 48 |
1 files changed, 48 insertions, 0 deletions
@@ -476,6 +476,24 @@ true_xor(obj, obj2) return RTEST(obj2)?Qfalse:Qtrue; } + +/* + * Document-class: FalseClass + * + * The global value <code>false</code> is the only instance of class + * <code>FalseClass</code> and represents a logically false value in + * boolean expressions. The class provides operators allowing + * <code>false</code> to participate correctly in logical expressions. + * + */ + +/* + * call-seq: + * false.to_s => "false" + * + * 'nuf said... + */ + static VALUE false_to_s(obj) VALUE obj; @@ -483,6 +501,15 @@ false_to_s(obj) return rb_str_new2("false"); } +/* + * call-seq: + * false & obj => false + * + * And---Returns <code>false</code>. <i>obj</i> is always + * evaluated as it is the argument to a method call---there is no + * short-circuit evaluation in this case. + */ + static VALUE false_and(obj, obj2) VALUE obj, obj2; @@ -490,6 +517,15 @@ false_and(obj, obj2) return Qfalse; } + +/* + * call-seq: + * false | obj => true or false + * + * Or---Returns <code>false</code> if <i>obj</i> is + * <code>nil</code> or <code>false</code>; <code>true</code> otherwise. + */ + static VALUE false_or(obj, obj2) VALUE obj, obj2; @@ -497,6 +533,18 @@ false_or(obj, obj2) return RTEST(obj2)?Qtrue:Qfalse; } + + +/* + * call-seq: + * false ^ obj => true or false + * + * Exclusive Or---If <i>obj</i> is <code>nil</code> or + * <code>false</code>, returns <code>false</code>; otherwise, returns + * <code>true</code>. + * + */ + static VALUE false_xor(obj, obj2) VALUE obj, obj2; |