diff options
Diffstat (limited to 'web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-symbol-ext/mrblib')
-rw-r--r-- | web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-symbol-ext/mrblib/symbol.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-symbol-ext/mrblib/symbol.rb b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-symbol-ext/mrblib/symbol.rb new file mode 100644 index 000000000..1e3d24b80 --- /dev/null +++ b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-symbol-ext/mrblib/symbol.rb @@ -0,0 +1,65 @@ +class Symbol + include Comparable + + alias intern to_sym + + def to_proc + ->(obj,*args,&block) do + obj.__send__(self, *args, &block) + end + end + + ## + # call-seq: + # sym.capitalize -> symbol + # + # Same as <code>sym.to_s.capitalize.intern</code>. + + def capitalize + (self.to_s.capitalize! || self).to_sym + end + + ## + # call-seq: + # sym.downcase -> symbol + # + # Same as <code>sym.to_s.downcase.intern</code>. + + def downcase + (self.to_s.downcase! || self).to_sym + end + + ## + # call-seq: + # sym.upcase -> symbol + # + # Same as <code>sym.to_s.upcase.intern</code>. + + def upcase + (self.to_s.upcase! || self).to_sym + end + + ## + # call-seq: + # sym.casecmp(other) -> -1, 0, +1 or nil + # + # Case-insensitive version of <code>Symbol#<=></code>. + + def casecmp(other) + return nil unless other.kind_of?(Symbol) + lhs = self.to_s; lhs.upcase! + rhs = other.to_s; rhs.upcase! + lhs <=> rhs + end + + # + # call-seq: + # sym.empty? -> true or false + # + # Returns that _sym_ is :"" or not. + + def empty? + self.length == 0 + end + +end |