Add `{String,Symbol}#casecmp?`; CRuby2.4
MODIFY
mrbgems/mruby-string-ext/mrblib/string.rb
mrbgems/mruby-string-ext/mrblib/string.rb
@@ -144,7 +144,20 @@ class String
def casecmp(str)
self.downcase <=> str.to_str.downcase
rescue NoMethodError
- raise TypeError, "no implicit conversion of #{str.class} into String"
+ nil
+ end
+
+ ##
+ # call-seq:
+ # str.casecmp?(other) -> true, false, or nil
+ #
+ # Returns true if str and other_str are equal after case folding,
+ # false if they are not equal, and nil if other_str is not a string.
+
+ def casecmp?(str)
+ c = self.casecmp(str)
+ return nil if c.nil?
+ return c == 0
end
def partition(sep)

MODIFY
mrbgems/mruby-symbol-ext/mrblib/symbol.rb
mrbgems/mruby-symbol-ext/mrblib/symbol.rb
@@ -48,10 +48,23 @@ class Symbol
def casecmp(other)
return nil unless other.kind_of?(Symbol)
lhs = self.to_s; lhs.upcase!
- rhs = other.to_s; rhs.upcase!
+ rhs = other.to_s.upcase
lhs <=> rhs
end
+ ##
+ # call-seq:
+ # sym.casecmp?(other) -> true, false, or nil
+ #
+ # Returns true if sym and other_sym are equal after case folding,
+ # false if they are not equal, and nil if other_sym is not a string.
+
+ def casecmp?(sym)
+ c = self.casecmp(sym)
+ return nil if c.nil?
+ return c == 0
+ end
+
#
# call-seq:
# sym.empty? -> true or false

Add `{String,Symbol}#casecmp?`; CRuby2.4