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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/limitations.md | 22 |
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diff --git a/doc/limitations.md b/doc/limitations.md index afcb7b56e..e0c999aa6 100644 --- a/doc/limitations.md +++ b/doc/limitations.md @@ -205,3 +205,25 @@ trace (most recent call last): [0] -e:1 -e:1: undefined method 'binding' (NoMethodError) ``` + +## Keyword arguments + +mruby keyword arguments behave slightly different from CRuby 2.5 +to make the behavior simpler and less confusing. Maybe in the +future, the simpler behavior will be adopted to CRuby as well. + +#### Ruby [ruby 2.5.1p57 (2018-03-29 revision 63029)] + +``` +$ ruby -e 'def m(*r,**k) p [r,k] end; m("a"'=>1,:b=>2)' +[[{"a"=>1}], {:b=>2}] +``` + +#### mruby [] + +``` +$ ./bin/mruby -e 'def m(*r,**k) p [r,k] end; m("a"'=>1,:b=>2)' +trace (most recent call last): + [0] -e:1 +-e:1: keyword argument hash with non symbol keys (ArgumentError) +``` |