diff options
Diffstat (limited to 'mrbgems/mruby-object-ext')
| -rw-r--r-- | mrbgems/mruby-object-ext/src/object.c | 15 | ||||
| -rw-r--r-- | mrbgems/mruby-object-ext/test/nil.rb | 4 |
2 files changed, 19 insertions, 0 deletions
diff --git a/mrbgems/mruby-object-ext/src/object.c b/mrbgems/mruby-object-ext/src/object.c index 85db75b28..0aedc9a73 100644 --- a/mrbgems/mruby-object-ext/src/object.c +++ b/mrbgems/mruby-object-ext/src/object.c @@ -1,6 +1,7 @@ #include <mruby.h> #include <mruby/array.h> #include <mruby/class.h> +#include <mruby/hash.h> #include <mruby/proc.h> /* @@ -33,6 +34,19 @@ nil_to_f(mrb_state *mrb, mrb_value obj) /* * call-seq: + * nil.to_h -> {} + * + * Always returns an empty hash. + */ + +static mrb_value +nil_to_h(mrb_state *mrb, mrb_value obj) +{ + return mrb_hash_new(mrb); +} + +/* + * call-seq: * nil.to_i -> 0 * * Always returns zero. @@ -117,6 +131,7 @@ mrb_mruby_object_ext_gem_init(mrb_state* mrb) #ifndef MRB_WITHOUT_FLOAT mrb_define_method(mrb, n, "to_f", nil_to_f, MRB_ARGS_NONE()); #endif + mrb_define_method(mrb, n, "to_h", nil_to_h, MRB_ARGS_NONE()); mrb_define_method(mrb, n, "to_i", nil_to_i, MRB_ARGS_NONE()); mrb_define_method(mrb, mrb->kernel_module, "itself", mrb_f_itself, MRB_ARGS_NONE()); diff --git a/mrbgems/mruby-object-ext/test/nil.rb b/mrbgems/mruby-object-ext/test/nil.rb index fbff20629..9975e785a 100644 --- a/mrbgems/mruby-object-ext/test/nil.rb +++ b/mrbgems/mruby-object-ext/test/nil.rb @@ -7,6 +7,10 @@ assert('NilClass#to_f') do assert_equal 0.0, nil.to_f end +assert('NilClass#to_h') do + assert_equal Hash.new, nil.to_h +end + assert('NilClass#to_i') do assert_equal 0, nil.to_i end |