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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-10-16 18:30:52 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-10-29 10:43:08 +0900 |
| commit | cb636215bb98cb152ef6371f8bedb8929f7efa23 (patch) | |
| tree | f8d2c16fc2b02bf71e9c01fd2fd65f871415ff8c /mrbgems | |
| parent | d35677f213feb3d1a3fe38a763c3dd765e440549 (diff) | |
| download | mruby-cb636215bb98cb152ef6371f8bedb8929f7efa23.tar.gz mruby-cb636215bb98cb152ef6371f8bedb8929f7efa23.zip | |
Raise exception from `Range#first` with beginless ranges.
Diffstat (limited to 'mrbgems')
| -rw-r--r-- | mrbgems/mruby-range-ext/mrblib/range.rb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mrbgems/mruby-range-ext/mrblib/range.rb b/mrbgems/mruby-range-ext/mrblib/range.rb index 5eeb802c1..7327127f5 100644 --- a/mrbgems/mruby-range-ext/mrblib/range.rb +++ b/mrbgems/mruby-range-ext/mrblib/range.rb @@ -11,6 +11,7 @@ class Range # (10..20).first(3) #=> [10, 11, 12] # def first(*args) + raise RangeError, "cannot get the first element of beginless range" if self.begin.nil? return self.begin if args.empty? raise ArgumentError, "wrong number of arguments (given #{args.length}, expected 1)" unless args.length == 1 |