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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2014-04-03 20:19:54 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2014-04-03 20:19:54 +0900 |
| commit | 653ddd6d3e8da23b0c7a7e85a199ae32486bdbba (patch) | |
| tree | 782f40ad2da0c54d07adbd41df9f7cb9409a3a08 /mrblib | |
| parent | 83a1e7122b5cb8fc22ddcef91241daabf98b1261 (diff) | |
| download | mruby-653ddd6d3e8da23b0c7a7e85a199ae32486bdbba.tar.gz mruby-653ddd6d3e8da23b0c7a7e85a199ae32486bdbba.zip | |
downto, upto, step to return Enumerator
Diffstat (limited to 'mrblib')
| -rw-r--r-- | mrblib/numeric.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mrblib/numeric.rb b/mrblib/numeric.rb index 034019e8b..5be3c90fc 100644 --- a/mrblib/numeric.rb +++ b/mrblib/numeric.rb @@ -45,6 +45,8 @@ module Integral # # ISO 15.2.8.3.15 def downto(num, &block) + return to_enum(:downto, num) unless block_given? + i = self.to_i while(i >= num) block.call(i) @@ -84,6 +86,8 @@ module Integral # # ISO 15.2.8.3.27 def upto(num, &block) + return to_enum(:upto, num) unless block_given? + i = self.to_i while(i <= num) block.call(i) @@ -97,6 +101,8 @@ module Integral # incremented by +step+ (default 1). # def step(num, step=1, &block) + return to_enum(:step, num, step) unless block_given? + i = if num.kind_of? Float then self.to_f else self end while(i <= num) block.call(i) |